/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled,
.site-header--solid {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.site-header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-dark);
  z-index: calc(var(--z-mobile-menu) + 1);
}

.site-header__logo span {
  color: var(--color-accent);
}

.site-header.is-scrolled .site-header__logo,
.site-header--solid .site-header__logo {
  color: var(--color-dark);
}

/* Desktop Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: block;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-dark);
  transition: color var(--transition);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-accent);
}

.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  padding: 0.5rem 0;
}

.site-nav__item:hover .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__dropdown a {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: background-color var(--transition), color var(--transition);
}

.site-nav__dropdown a:hover {
  background-color: var(--color-gray-light);
  color: var(--color-accent);
}

.site-nav__social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-nav__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-dark);
  transition: color var(--transition);
}

.site-nav__social a:hover {
  color: var(--color-accent);
}

.site-nav__social svg {
  width: 20px;
  height: 20px;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  z-index: calc(var(--z-mobile-menu) + 1);
}

.menu-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  background-color: var(--color-white);
  z-index: var(--z-mobile-menu);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: calc(var(--header-height) + 1rem) 1.5rem 2rem;
  overflow-y: auto;
}

.mobile-menu__nav {
  flex: 1;
}

.mobile-menu__link {
  display: block;
  padding: 1rem 0;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-gray-light);
}

.mobile-menu__link:hover {
  color: var(--color-accent);
}

.mobile-menu__sub {
  padding-left: 1rem;
}

.mobile-menu__sub .mobile-menu__link {
  font-size: 1rem;
  font-weight: 400;
}

.mobile-menu__sub-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.mobile-menu__social {
  display: flex;
  gap: 1rem;
  padding-top: 2rem;
  margin-top: auto;
}

.mobile-menu__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-gray-light);
  color: var(--color-dark);
}

@media (max-width: 1023px) {
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }
}

/* Footer */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-block: 3rem 1.5rem;
}

.site-footer a:hover {
  color: var(--color-accent);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.site-footer__brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.site-footer__brand span {
  color: var(--color-accent);
}

.site-footer__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.site-footer__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-footer__links li {
  margin-bottom: 0.5rem;
}

.site-footer__links a {
  font-size: 0.9rem;
}

.site-footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.site-footer__contact svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--color-accent);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

@media (max-width: 767px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Hero Slider */
.hero {
  position: relative;
  height: 100vh;
  min-height: 500px;
  max-height: 900px;
  overflow: hidden;
}

.hero__slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero__slide.is-active {
  opacity: 1;
  z-index: 1;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
  z-index: 2;
}

.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  z-index: 3;
  color: var(--color-white);
}

.hero__content h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero__content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
  border-radius: 50%;
  z-index: 4;
  transition: background-color var(--transition);
}

.hero__arrow:hover {
  background: rgba(255,255,255,0.4);
}

.hero__arrow--prev { left: 1.5rem; }
.hero__arrow--next { right: 1.5rem; }

.hero__dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 4;
}

.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transition: background-color var(--transition), transform var(--transition);
}

.hero__dot.is-active {
  background: var(--color-white);
  transform: scale(1.2);
}

@media (max-width: 767px) {
  .hero__arrow {
    width: 40px;
    height: 40px;
  }

  .hero__arrow--prev { left: 0.75rem; }
  .hero__arrow--next { right: 0.75rem; }
}

/* Awards banner */
.awards-banner {
  background-color: var(--color-gray-light);
  padding: 1.5rem 0;
  text-align: center;
}

.awards-banner__text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.awards-banner__text strong {
  display: block;
  color: var(--color-dark);
  font-weight: 600;
}

/* Mosaic grid */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 280px);
  gap: 4px;
}

.mosaic-grid__item {
  position: relative;
  overflow: hidden;
}

.mosaic-grid__item--large {
  grid-row: span 2;
}

.mosaic-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.mosaic-grid__item:hover img {
  transform: scale(1.05);
}

.mosaic-grid__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  color: var(--color-white);
}

.mosaic-grid__item--accent {
  background-color: var(--color-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--color-white);
}

.mosaic-grid__item--accent h3 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.mosaic-grid__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-white);
}

.mosaic-grid__overlay h3 {
  color: var(--color-white);
}

@media (max-width: 1023px) {
  .mosaic-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }

  .mosaic-grid__item {
    min-height: 220px;
  }

  .mosaic-grid__item--large {
    grid-row: span 1;
  }
}

@media (max-width: 767px) {
  .mosaic-grid {
    grid-template-columns: 1fr;
  }
}

/* Portfolio grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.portfolio-grid--5 {
  grid-template-columns: repeat(5, 1fr);
}

.portfolio-grid__item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.portfolio-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-grid__item:hover img {
  transform: scale(1.08);
}

.portfolio-grid__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.9);
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-grid__item:hover .portfolio-grid__overlay {
  opacity: 1;
}

.portfolio-grid__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-dark);
  text-align: center;
  padding: 1rem;
}

.portfolio-grid__label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: var(--color-white);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 1023px) {
  .portfolio-grid,
  .portfolio-grid--5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .portfolio-grid,
  .portfolio-grid--5 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Services cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  color: var(--color-accent);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

@media (max-width: 1023px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* Contact section */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.contact-section__info {
  padding: 3rem;
  background: var(--color-white);
}

.contact-section__map {
  min-height: 400px;
  background: var(--color-gray-light);
}

.contact-section__map iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border: 0;
}

.contact-brand-card {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 2rem;
  margin-top: 2rem;
}

.contact-brand-card h3 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.contact-brand-card p {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  opacity: 0.9;
}

.contact-list {
  margin-top: 1.5rem;
}

.contact-list__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.contact-list__item svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  margin-top: 2px;
}

@media (max-width: 767px) {
  .contact-section {
    grid-template-columns: 1fr;
  }
}

/* Z-pattern */
.z-pattern {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.z-pattern--reverse {
  direction: rtl;
}

.z-pattern--reverse > * {
  direction: ltr;
}

.z-pattern__image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.z-pattern__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 767px) {
  .z-pattern,
  .z-pattern--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

/* About watermark */
.about-section {
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 300' fill='none' stroke='%23e8e8e8' stroke-width='1'%3E%3Crect x='50' y='50' width='120' height='80'/%3E%3Crect x='180' y='50' width='80' height='80'/%3E%3Crect x='270' y='50' width='80' height='120'/%3E%3Crect x='50' y='140' width='80' height='110'/%3E%3Crect x='140' y='140' width='120' height='110'/%3E%3Crect x='270' y='180' width='80' height='70'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.about-section .container {
  position: relative;
  z-index: 1;
}

/* Project detail */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.project-gallery__item {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.project-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-gallery__item--wide {
  grid-column: span 2;
}

@media (max-width: 767px) {
  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-gallery__item--wide {
    grid-column: span 1;
  }
}

/* Portfolio categories */
.portfolio-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.portfolio-category {
  text-align: center;
}

.portfolio-category__image {
  aspect-ratio: 3/4;
  overflow: hidden;
  margin-bottom: 1rem;
}

.portfolio-category__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-category:hover .portfolio-category__image img {
  transform: scale(1.05);
}

@media (max-width: 767px) {
  .portfolio-categories {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* History note */
.history-note {
  background: var(--color-gray-light);
  padding: 1.5rem;
  border-left: 4px solid var(--color-accent);
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.history-note strong {
  display: block;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}