/* ============================================
   Multilevel Navigation
   Premium warm palette · fluid type · GSAP-ready
   ============================================ */

:root {
  /* Premium palette — deep charcoal, ivory, champagne */
  --color-ink: #141210;
  --color-ink-soft: #2c2824;
  --color-cream: #f6f2eb;
  --color-sand: #ebe4d8;
  --color-taupe: #d4cbbd;
  --color-white: #faf8f4;
  --color-champagne: #c2a878;
  --color-overlay: rgba(12, 10, 8, 0.48);

  --ease-out-expo: cubic-bezier(0.525, 0, 0, 1);
  --ease-out-soft: cubic-bezier(0.625, 0.05, 0, 1);

  --duration-fast: 0.2s;
  --duration-normal: 0.45s;

  --nav-bar-height: 5em;
  --nav-dropdown-pad-top: 2.5em;
  --nav-dropdown-pad-bottom: 3em;
  --nav-card-height: 20em;
  --nav-open-height: calc(
    var(--nav-bar-height) + var(--nav-dropdown-pad-top) + var(--nav-card-height) +
      var(--nav-dropdown-pad-bottom)
  );

  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;

  --nav-side-padding: 3em;
  --radius-sm: 0;
  --radius-md: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-white);
  background: var(--color-ink);
  overflow-x: hidden;
}

body.is-mobile-menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  width: 100%;
  height: 100svh;
  min-height: 32rem;
  padding: 2.5em 3em 3em;
  color: var(--color-white);
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(12, 10, 8, 0.42) 0%,
    rgba(12, 10, 8, 0.12) 42%,
    rgba(12, 10, 8, 0.62) 100%
  );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 42rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.hero__eyebrow {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-champagne);
}

.hero__title {
  margin: 0;
  font-size: clamp(2.75rem, 7.5vw, 5.5rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.hero__text {
  margin: 0;
  max-width: 28rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 400;
  line-height: 1.55;
  color: rgba(250, 248, 244, 0.78);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.75rem;
  min-height: 3em;
  padding: 0 1.4em;
  border: 1px solid var(--color-white);
  border-radius: 0;
  background: var(--color-white);
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition:
    background-color var(--duration-fast) var(--ease-out-expo),
    color var(--duration-fast) var(--ease-out-expo),
    border-color var(--duration-fast) var(--ease-out-expo);
}

.hero__cta:hover,
.hero__cta:focus-visible {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

/* ---------- Navigation shell ---------- */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  color: var(--color-white);
}

.site-nav[data-theme="dark"] {
  color: var(--color-ink);
}

.site-nav__shell {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 var(--nav-side-padding);
}

.site-nav__panel-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: var(--color-white);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  pointer-events: none;
  z-index: 0;
  will-change: height;
}

.site-nav__page-dim {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-overlay);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  will-change: opacity;
}

.site-nav__bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: var(--nav-bar-height);
  padding-top: 2em;
}

.site-nav__brand {
  position: relative;
  z-index: 2;
  display: block;
  flex-shrink: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-nav__menu {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.15em;
}

/* Keep items static so fixed panels share one stacking context
   (otherwise an open panel covers sibling nav links) */
.site-nav__item {
  position: static;
}

.site-nav__link {
  position: relative;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375em;
  padding: 0.75em 1.25em;
  border-radius: var(--radius-sm);
  background: transparent;
  transition: background-color var(--duration-fast) var(--ease-out-expo);
}

.site-nav__link.is-active {
  background: var(--color-sand);
}

.site-nav__link-text {
  position: relative;
  font-size: 1.25em;
  font-weight: 500;
  line-height: 1;
}

.site-nav__link--simple .site-nav__link-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.site-nav__link--simple:hover .site-nav__link-text::after,
.site-nav__link--simple:focus-visible .site-nav__link-text::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.site-nav__chevron {
  width: 0.875em;
  height: auto;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.site-nav__link.is-active .site-nav__chevron {
  transform: rotate(180deg);
}

.site-nav__actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: 0.75em;
  flex-shrink: 0;
}

.site-nav__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 3em;
  padding: 0 1.1em;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  font-size: 1em;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) var(--ease-out-expo),
    border-color var(--duration-fast) var(--ease-out-expo);
}

.site-nav__button--solid {
  color: var(--color-ink);
  background: var(--color-white);
  border-color: var(--color-white);
}

.site-nav[data-theme="dark"] .site-nav__button--outline {
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.site-nav[data-theme="dark"] .site-nav__button--solid {
  color: var(--color-white);
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.site-nav__menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.28em;
  width: 3em;
  height: 3em;
  border-radius: var(--radius-sm);
  background: currentColor;
  padding: 0.75em;
}

.site-nav__menu-toggle-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-ink);
  border-radius: 0;
  transform-origin: center;
  will-change: transform, background-color;
}

/* ---------- Dropdown panels ---------- */

.nav-dropdown {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  
  padding: calc(var(--nav-bar-height) + var(--nav-dropdown-pad-top) - 0.5em)
    var(--nav-side-padding) var(--nav-dropdown-pad-bottom);
  opacity: 0;
  visibility: hidden;
  /* Panel shell never steals hover from nav links */
  pointer-events: none;
}

.nav-dropdown.is-open {
  opacity: 1;
  visibility: visible;
}

/* Only the cards themselves receive pointer events */
.nav-dropdown.is-open .nav-dropdown__content {
  pointer-events: auto;
}

.nav-dropdown__collapse {
  width: 100%;
}

.nav-dropdown__content {
  width: 100%;
  pointer-events: none;
}

.nav-dropdown__list {
  display: flex;
  gap: 1.25em;
  width: 100%;
}

.nav-dropdown__list--color-cards {
  /* same flex row, fewer cards stretch naturally */
}

.nav-dropdown__item {
  flex: 1;
  min-width: 0;
  opacity: 0;
  transform: translate3d(3.5em, 0, 0);
  will-change: transform, opacity;
}

/* ---------- Product / service cards ---------- */

.nav-card {
  --card-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --card-duration: 0.7s;

  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
  width: 100%;
  height: var(--nav-card-height);
  padding: 1.5em;
  border-radius: var(--radius-sm);
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-sand);
}

/* ----- Image cards: dual-image crossfade ----- */

.nav-card__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.nav-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform, opacity;
}

.nav-card__image--default {
  opacity: 1;
  transform: scale(1);
  transition:
    opacity var(--card-duration) var(--card-ease),
    transform 1s var(--card-ease);
  z-index: 0;
}

.nav-card__image--hover {
  opacity: 0;
  transform: scale(1.08);
  transition:
    opacity var(--card-duration) var(--card-ease),
    transform 1s var(--card-ease);
  z-index: 1;
}

.nav-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to top,
    rgba(12, 10, 8, 0.62) 0%,
    rgba(12, 10, 8, 0.12) 52%,
    transparent 100%
  );
  opacity: 1;
  transition: opacity var(--card-duration) var(--card-ease);
  pointer-events: none;
}

.nav-card--with-image:hover .nav-card__image--default,
.nav-card--with-image:focus-visible .nav-card__image--default {
  opacity: 0;
  transform: scale(1.06);
}

.nav-card--with-image:hover .nav-card__image--hover,
.nav-card--with-image:focus-visible .nav-card__image--hover {
  opacity: 1;
  transform: scale(1);
}

.nav-card--with-image:hover .nav-card__overlay,
.nav-card--with-image:focus-visible .nav-card__overlay {
  opacity: 0.55;
}

/* ----- Static / color cards: smooth premium tint ----- */

.nav-card--color {
  color: var(--color-ink);
  background: var(--color-sand);
  transition: color var(--card-duration) var(--card-ease);
}

.nav-card__color-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    145deg,
    var(--color-sand) 0%,
    var(--color-taupe) 55%,
    #c9b89a 100%
  );
  opacity: 1;
  transition:
    opacity var(--card-duration) var(--card-ease),
    transform 0.85s var(--card-ease);
  transform: scale(1);
}

.nav-card--color::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    145deg,
    var(--color-ink-soft) 0%,
    var(--color-ink) 48%,
    #3a3228 100%
  );
  opacity: 0;
  transform: scale(1.04);
  transition:
    opacity var(--card-duration) var(--card-ease),
    transform 0.85s var(--card-ease);
  pointer-events: none;
}

.nav-card--color:hover,
.nav-card--color:focus-visible {
  color: var(--color-white);
}

.nav-card--color:hover .nav-card__color-layer,
.nav-card--color:focus-visible .nav-card__color-layer {
  opacity: 0;
  transform: scale(1.06);
}

.nav-card--color:hover::after,
.nav-card--color:focus-visible::after {
  opacity: 1;
  transform: scale(1);
}

.nav-card__footer {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
}

.nav-card__title {
  font-size: 1.75em;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  transition: transform 0.45s var(--card-ease);
}

.nav-card:hover .nav-card__title,
.nav-card:focus-visible .nav-card__title {
  transform: translateY(-2px);
}

/* Premium solid arrow — no border / no stroke outline */
.nav-card__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35em;
  height: 2.35em;
  padding: 0;
  border: 0;
  outline: 0;
  border-radius: 0;
  flex-shrink: 0;
  background: var(--color-ink);
  color: var(--color-cream);
  box-shadow: none;
  transition:
    transform 0.5s var(--card-ease),
    background-color 0.5s var(--card-ease),
    color 0.5s var(--card-ease);
}

.nav-card__action svg {
  width: 0.95em;
  height: 0.95em;
  display: block;
  fill: currentColor;
}

/* Image cards — soft ivory chip */
.nav-card--with-image .nav-card__action {
  background: var(--color-cream);
  color: var(--color-ink);
}

.nav-card--with-image:hover .nav-card__action,
.nav-card--with-image:focus-visible .nav-card__action {
  background: var(--color-champagne);
  color: var(--color-ink);
  transform: translateX(0.2em);
}

/* Color cards — ink chip → champagne on hover */
.nav-card--color .nav-card__action {
  background: var(--color-ink);
  color: var(--color-cream);
}

.nav-card--color:hover .nav-card__action,
.nav-card--color:focus-visible .nav-card__action {
  background: var(--color-champagne);
  color: var(--color-ink);
  transform: translateX(0.2em);
}

@media (prefers-reduced-motion: reduce) {
  .nav-card,
  .nav-card__image,
  .nav-card__overlay,
  .nav-card__color-layer,
  .nav-card--color::after,
  .nav-card__title,
  .nav-card__action {
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Responsive ---------- */

@media screen and (max-width: 991px) {
  :root {
    --nav-side-padding: 1.25em;
  }

  .site-nav__bar {
    padding-top: 1.25em;
  }

  .site-nav__link {
    padding-left: 1em;
    padding-right: 1em;
  }

  .site-nav__link-text {
    font-size: 1em;
  }

  .hide-on-tablet {
    display: none;
  }
}

@media screen and (max-width: 767px) {
  :root {
    --nav-open-height: 100dvh;
  }

  .site-nav__menu-toggle {
    display: flex;
  }

  .site-nav__menu {
    position: absolute;
    top: 0;
    left: calc(var(--nav-side-padding) * -1);
    right: calc(var(--nav-side-padding) * -1);
    height: 100dvh;
    opacity: 0;
    visibility: hidden;
    transform: translateY(1em);
    pointer-events: none;
    z-index: 0;
    justify-content: flex-start;
    align-items: stretch;
  }

  .site-nav[data-mobile-menu="open"] .site-nav__menu {
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    width: 100%;
    height: 100%;
    padding: 7.5em var(--nav-side-padding) 2em;
    overflow-y: auto;
    gap: 0;
  }

  .site-nav__item {
    width: 100%;
  }

  .site-nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 1em 0.25em;
    border-radius: 0;
  }

  .site-nav__link.is-active {
    background: transparent;
  }

  .site-nav__link-text {
    font-size: 2em;
    font-weight: 500;
  }

  .site-nav__chevron {
    width: 1em;
  }

  .nav-dropdown {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    padding: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    height: auto;
    z-index: auto;
  }

  .nav-dropdown .nav-dropdown__content,
  .nav-dropdown.is-open .nav-dropdown__content {
    pointer-events: auto;
  }

  .nav-dropdown:not(.is-open) .nav-dropdown__collapse {
    height: 0;
    overflow: hidden;
  }

  .nav-dropdown.is-open .nav-dropdown__collapse {
    height: auto;
    overflow: visible;
  }

  .nav-dropdown__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75em;
    padding: 0.75em 0 1.25em;
  }

  .nav-dropdown__list--color-cards {
    grid-template-columns: 1fr;
  }

  .nav-dropdown__item {
    transform: translateX(1.5em);
  }

  .nav-card {
    height: auto;
    aspect-ratio: 1;
    padding: 1em;
  }

  .nav-card--color {
    aspect-ratio: auto;
    min-height: 4.5em;
  }

  .nav-card__title {
    font-size: 1.25em;
  }

  .site-nav[data-mobile-menu="open"] .site-nav__menu-toggle {
    background: var(--color-ink);
  }

  .site-nav[data-mobile-menu="open"] .site-nav__menu-toggle-line {
    background: var(--color-white);
  }
}

@media screen and (max-width: 479px) {
  .hero {
    padding: 1.5em 1.25em 2em;
  }

  .hero__title {
    font-size: clamp(2.25rem, 11vw, 3.25rem);
  }

  .hero__cta {
    min-height: 2.75em;
    font-size: 0.9rem;
  }

  .site-nav__brand {
    font-size: 1.15rem;
  }

  .site-nav__actions {
    gap: 0.5em;
  }

  .site-nav__button--solid {
    height: 2.5em;
    padding: 0 0.85em;
    font-size: 0.95em;
  }

  .site-nav__menu-toggle {
    width: 2.5em;
    height: 2.5em;
  }

  .nav-card {
    padding: 0.75em;
  }

  .nav-card__title {
    font-size: 1em;
  }

  .nav-card__action {
    width: 1.9em;
    height: 1.9em;
  }

  .nav-card__action svg {
    width: 0.85em;
    height: 0.85em;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}