/* ==========================================================================
   Floating navigation + mobile menu
   ========================================================================== */

.nav-shell {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  padding-top: 18px;
  transition: padding-top var(--dur) var(--ease-out);
  pointer-events: none;
}

.nav-shell.is-scrolled {
  padding-top: 10px;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  height: 74px;
  margin-inline: auto;
  padding: 0.35rem 0.4rem 0.35rem 1.1rem;
  border-radius: var(--r-pill);
  background: rgba(255, 252, 246, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 16px 40px -28px rgba(52, 59, 69, 0.35);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  pointer-events: auto;
  transition: height var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    padding var(--dur) var(--ease-out);
}

.nav-shell.is-scrolled .nav,
.nav.is-scrolled {
  height: 64px;
  background: rgba(255, 250, 242, 0.9);
  border-color: rgba(52, 59, 69, 0.08);
  box-shadow: 0 18px 44px -30px rgba(52, 59, 69, 0.5);
}

/* Logo */
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  flex: none;
  border-radius: var(--r-pill);
}

.nav__mark {
  width: 40px;
  height: 40px;
  flex: none;
  filter: drop-shadow(0 6px 10px rgba(239, 143, 121, 0.22));
  transition: transform var(--dur) var(--ease-spring);
}

.nav__brand:hover .nav__mark {
  transform: rotate(-10deg) scale(1.06);
}

.nav__wordmark {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1;
}

.nav__name {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.nav__sub {
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 0.05rem;
}

.nav__link {
  position: relative;
  padding: 0.55rem 0.72rem;
  border-radius: var(--r-pill);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
  transition: color var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.28rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--peach-deep);
  transform: translate(-50%, 4px) scale(0);
  transition: transform var(--dur) var(--ease-spring);
}

.nav__link:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
}

.nav__link.is-active {
  color: var(--ink);
}

.nav__link.is-active::after {
  transform: translate(-50%, 0) scale(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex: none;
}

.nav__cta {
  min-height: 2.95rem;
  padding: 0.35rem 0.4rem 0.35rem 1.15rem;
  font-size: 0.84rem;
}

.nav__cta .btn__arrow {
  width: 2.15rem;
  height: 2.15rem;
}

/* Burger */
.nav__burger {
  position: relative;
  display: none;
  width: 2.95rem;
  height: 2.95rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--cream);
  place-items: center;
  flex: none;
  transition: background-color var(--dur) var(--ease-out);
}

.nav__burger:hover {
  background: #2a3038;
}

.nav__burger-lines {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
}

.nav__burger-lines span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out),
    opacity var(--dur) var(--ease-out), top var(--dur) var(--ease-out);
}

.nav__burger-lines span:nth-child(1) {
  top: 0;
}

.nav__burger-lines span:nth-child(2) {
  top: 5px;
}

.nav__burger-lines span:nth-child(3) {
  top: 10px;
}

.nav__burger[aria-expanded='true'] .nav__burger-lines span:nth-child(1) {
  top: 5px;
  transform: rotate(45deg);
}

.nav__burger[aria-expanded='true'] .nav__burger-lines span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.4);
}

.nav__burger[aria-expanded='true'] .nav__burger-lines span:nth-child(3) {
  top: 5px;
  transform: rotate(-45deg);
}

/* --- Mobile menu ---------------------------------------------------------- */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 990;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-height) + 2.5rem) var(--gutter) 2rem;
  background: var(--cream);
  visibility: hidden;
  opacity: 0;
  clip-path: inset(0 0 100% 0 round 0 0 40px 40px);
  transition: clip-path 620ms var(--ease-out), opacity 320ms var(--ease-out),
    visibility 0s linear 620ms;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  clip-path: inset(0 0 0 0 round 0);
  transition: clip-path 680ms var(--ease-out), opacity 240ms var(--ease-out),
    visibility 0s;
}

.mobile-menu__deco {
  position: absolute;
  pointer-events: none;
  opacity: 0.7;
}

.mobile-menu__deco--one {
  top: 12%;
  right: -8%;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--peach-soft), transparent 68%);
}

.mobile-menu__deco--two {
  bottom: 10%;
  left: -10%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 40%, var(--sky-soft), transparent 70%);
}

.mobile-menu__inner {
  position: relative;
  width: min(100%, 540px);
  margin-inline: auto;
}

.mobile-menu__label {
  margin-bottom: 1.1rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.mobile-menu__link {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.58rem 0.2rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 6.2vw, 2.15rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  opacity: 0;
  transform: translateY(20px);
  transition: color var(--dur) var(--ease-out), padding-left var(--dur) var(--ease-out);
}

.mobile-menu__link span {
  min-width: 1.6rem;
  font-family: var(--font-body);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--peach-deep);
}

.mobile-menu__link:hover {
  color: var(--peach-deep);
  padding-left: 0.45rem;
}

.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: none;
  transition: opacity 480ms var(--ease-out), transform 560ms var(--ease-out),
    color var(--dur) var(--ease-out), padding-left var(--dur) var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition-delay: 130ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition-delay: 175ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition-delay: 220ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition-delay: 265ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(5) { transition-delay: 310ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(6) { transition-delay: 355ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(7) { transition-delay: 400ms; }

.mobile-menu__foot {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__foot {
  opacity: 1;
  transform: none;
  transition-delay: 430ms;
}

.mobile-menu__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.mobile-menu__meta a:hover {
  color: var(--peach-deep);
}

.mobile-menu .btn {
  align-self: flex-start;
}

@media (max-width: 1100px) {
  .nav__links {
    display: none;
  }

  .nav__burger {
    display: grid;
  }
}

@media (max-width: 560px) {
  .nav-shell {
    padding-top: 12px;
  }

  .nav {
    height: 64px;
    padding-left: 0.8rem;
  }

  .nav-shell.is-scrolled .nav {
    height: 58px;
  }

  .nav__mark {
    width: 34px;
    height: 34px;
  }

  .nav__name {
    font-size: 0.96rem;
  }

  .nav__sub {
    display: none;
  }

  .nav__cta {
    display: none;
  }

  .nav__burger {
    width: 2.7rem;
    height: 2.7rem;
  }
}