/* ===== TOKENS ===== */
:root {
  --bg: #f9f7f4;
  --dark: #0d0d0d;
  --accent: #c4a97d;
  --border: #e4e0d8;
  --muted: #888;
  --nav-h: 72px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--dark);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  line-height: 1.1;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 360ms ease, transform 360ms ease, border-color 220ms ease;
}
.nav.visible {
  opacity: 1;
  transform: translateY(0);
}
.nav.scrolled { border-color: var(--border); }

.nav__logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  gap: 40px;
}
.nav__links a {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 220ms ease;
}
.nav__links a:hover { color: var(--dark); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 28px;
  height: 28px;
}
.nav__toggle span {
  display: block;
  height: 1px;
  background: var(--dark);
  transition: transform 220ms ease, opacity 220ms ease;
}

/* ===== HERO ===== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 48px) 40px 80px;
}

.hero__eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero__name {
  font-size: clamp(4rem, 9vw, 9rem);
  letter-spacing: 0.01em;
  line-height: 0.95;
  margin-bottom: 24px;
}
.hero__name em {
  font-style: italic;
  color: var(--accent);
}

.hero__studio {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.hero__location {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--muted);
}

.hero__divider {
  width: 36px;
  height: 1px;
  background: var(--accent);
  margin: 44px auto;
}

.hero__cta {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color 220ms ease;
}
.hero__cta:hover { color: var(--dark); }

/* ===== SECTION SHARED ===== */
.section__header {
  text-align: center;
  margin-bottom: 64px;
}
.section__title {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
}
.section__sub {
  margin-top: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ===== PROJECTS ===== */
.projects {
  padding: 100px 48px;
  scroll-margin-top: var(--nav-h);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  max-width: 1160px;
  margin: 0 auto;
}

.project-card {
  display: block;
  will-change: opacity, transform;
  transition: transform 420ms cubic-bezier(0.23, 1, 0.32, 1);
}
.project-card:hover { transform: translateY(-8px); }

.project-card__arch {
  position: relative;
  overflow: hidden;
  border-radius: 50% 50% 0 0 / 30% 30% 0 0;
  aspect-ratio: 3 / 5;
  background: linear-gradient(160deg, #ece6de 0%, #d8d0c4 100%);
  transition: box-shadow 420ms cubic-bezier(0.23, 1, 0.32, 1);
}
.project-card:hover .project-card__arch {
  box-shadow:
    0 0 0 1px rgba(196, 169, 125, 0.3),
    0 0 22px rgba(196, 169, 125, 0.55),
    0 0 55px rgba(196, 169, 125, 0.28),
    0 0 100px rgba(196, 169, 125, 0.12);
}
.project-card__arch::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50% 50% 0 0 / 30% 30% 0 0;
  border: 1px solid rgba(196, 169, 125, 0);
  transition: border-color 420ms ease;
  pointer-events: none;
  z-index: 3;
}
.project-card:hover .project-card__arch::after {
  border-color: rgba(196, 169, 125, 0.45);
}
.project-card:nth-child(2) .project-card__arch { background: linear-gradient(160deg, #e6e0d8 0%, #d0c8bc 100%); }
.project-card:nth-child(3) .project-card__arch { background: linear-gradient(160deg, #e0dbd4 0%, #ccc4b8 100%); }
.project-card:nth-child(4) .project-card__arch { background: linear-gradient(160deg, #dbd5ce 0%, #c8c0b4 100%); }
.project-card:nth-child(5) .project-card__arch { background: linear-gradient(160deg, #e8e2da 0%, #d4ccbf 100%); }

.project-card__arch img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 440ms cubic-bezier(0.23, 1, 0.32, 1);
  will-change: transform;
}
.project-card:hover .project-card__arch img { transform: scale(1.06); }

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 280ms ease;
}
.project-card:hover .project-card__overlay {
  background: radial-gradient(ellipse at 50% 38%, rgba(196, 169, 125, 0.1) 0%, rgba(13, 13, 13, 0.3) 70%);
}

.project-card__label {
  display: none;
}

.project-card__meta {
  margin-top: 18px;
  text-align: center;
}
.project-card__num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 5px;
}
.project-card__name {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.project-card__type {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 48px;
  scroll-margin-top: var(--nav-h);
  border-top: 1px solid var(--border);
}

.about__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
  align-items: start;
}

.about__header {
  display: flex;
  align-items: flex-end;
  gap: 28px;
  margin-bottom: 36px;
}
.about__portrait {
  width: 220px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 6px;
  flex-shrink: 0;
}
.about__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about__label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.about__name {
  font-size: clamp(2.4rem, 4vw, 4rem);
  margin-bottom: 0;
  line-height: 1.05;
}
.about__name em { font-style: italic; color: var(--accent); }
.about__bio {
  font-size: 0.95rem;
  line-height: 1.85;
  color: #3a3a3a;
  margin-bottom: 20px;
}
.about__services {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about__service {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 14px;
}

/* Timeline */
.timeline__label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
}

.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  margin-bottom: 40px;
}
.timeline__item:last-child { margin-bottom: 0; }
.timeline__item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  outline: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
}

.timeline__year {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--dark);
  margin-bottom: 6px;
}
.timeline__title {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}
.timeline__desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 48px;
  scroll-margin-top: var(--nav-h);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact__title {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  margin-bottom: 14px;
}
.contact__sub {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 56px;
}

.contact__primary {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.contact__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--dark);
  transition: background 220ms ease, color 220ms ease, border-color 220ms ease;
}
.contact__btn:hover {
  background: var(--dark);
  color: var(--bg);
}
.contact__btn--accent {
  border-color: var(--accent);
  color: var(--accent);
}
.contact__btn--accent:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.contact__btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.contact__secondary {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 220ms ease;
}
.contact__link:hover { color: var(--dark); }
.contact__link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
  padding: 28px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.footer__links { display: flex; gap: 24px; }
.footer__links a:hover { color: var(--dark); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms cubic-bezier(0.23, 1, 0.32, 1),
              transform 560ms cubic-bezier(0.23, 1, 0.32, 1);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE — TABLET ===== */
@media (max-width: 860px) {
  .nav { padding: 0 28px; }

  .projects { padding: 80px 28px; }
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    max-width: 480px;
  }
  .projects__grid .project-card:nth-child(5) {
    grid-column: 1 / -1;
    width: calc(50% - 11px);
    margin: 0 auto;
  }

  .about { padding: 80px 28px; }
  .about__inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .about__portrait { width: 180px; }

  .contact { padding: 80px 28px; }
  .footer { padding: 24px 28px; }
}

/* ===== LANG TOGGLE ===== */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}
.lang-sep {
  color: var(--border);
  user-select: none;
}
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 2px 3px;
  transition: color 220ms ease;
  line-height: 1;
}
.lang-btn:hover { color: var(--dark); }
.lang-btn[aria-pressed="true"] { color: var(--dark); font-weight: 500; }

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 599px) {
  .nav { padding: 0 16px; }
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms cubic-bezier(0.23, 1, 0.32, 1),
                padding 300ms ease;
  }
  .nav__links.open {
    max-height: 180px;
    padding: 12px 0;
  }
  .nav__links li { width: 100%; text-align: center; }
  .nav__links a { display: block; padding: 12px 24px; }
  .nav__toggle { display: flex; }

  .hero { padding: calc(var(--nav-h) + 24px) 16px 56px; }

  .projects { padding: 64px 16px; }
  .projects__grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    max-width: 100%;
  }
  .projects__grid .project-card:nth-child(5) {
    grid-column: 1 / -1;
    width: calc(50% - 7px);
  }

  .about { padding: 64px 16px; }
  .about__header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .about__portrait { width: 140px; }

  .contact { padding: 64px 16px; }
  .contact__btn { padding: 12px 20px; font-size: 0.68rem; }
  .footer { padding: 20px 16px; flex-direction: column; gap: 12px; text-align: center; }
  .footer__links { justify-content: center; }
}

/* ===== PROJECT PAGES ===== */
.project-back {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 48px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  justify-content: space-between;
}
.project-back__link {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color 220ms ease;
}
.project-back__link:hover { color: var(--dark); }
.project-back__logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-hero {
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100svh;
}
.project-hero__arch {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--border);
  padding: 48px;
}
.project-hero__arch-frame {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 3 / 5;
  overflow: hidden;
  background: linear-gradient(160deg, #ece6de 0%, #d8d0c4 100%);
}
.project-hero__arch-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-hero__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 64px 64px 56px;
}
.project-hero__num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.project-hero__title {
  font-size: clamp(2.8rem, 5vw, 5rem);
  margin-bottom: 8px;
}
.project-hero__title em { font-style: italic; color: var(--accent); }
.project-hero__type {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 40px;
}
.project-hero__divider {
  width: 36px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 40px;
}
.project-hero__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: #3a3a3a;
  max-width: 440px;
  margin-bottom: 40px;
}
.project-hero__meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.project-meta-item__label {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.project-meta-item__value {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.gallery {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
}
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}
.gallery__item {
  overflow: hidden;
  cursor: zoom-in;
  background: var(--border);
}
.gallery__item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 9;
}
.gallery__item--moodboard {
  grid-column: 1 / -1;
  aspect-ratio: auto;
  cursor: default;
  background: #fff;
}
.gallery__item--moodboard .gallery__img {
  object-fit: contain;
  background: #fff;
}
.gallery__item--moodboard:hover .gallery__img { transform: none; }
.gallery__item {
  aspect-ratio: 4 / 3;
}

.gallery__design-docs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto 48px;
}
.gallery__doc {
  width: 100%;
  height: 400px;
  object-fit: contain;
  display: block;
  background: var(--bg);
}
.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.23, 1, 0.32, 1);
  will-change: transform;
  display: block;
}
.gallery__item:hover .gallery__img { transform: scale(1.04); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(13, 13, 13, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
  overflow: hidden;
  cursor: default;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox__img {
  max-width: 90vw;
  max-height: 90svh;
  width: auto;
  height: auto;
  display: block;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 320ms cubic-bezier(0.23, 1, 0.32, 1);
  user-select: none;
  cursor: zoom-in;
}
.lightbox.zoomed .lightbox__img {
  transform: scale(1.75);
  cursor: crosshair;
}
.lightbox__close {
  position: absolute;
  z-index: 10;
  top: 24px; right: 32px;
  background: none; border: none;
  color: #f9f7f4;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 220ms ease;
}
.lightbox__close:hover { opacity: 1; }
.lightbox__prev,
.lightbox__next {
  position: absolute;
  z-index: 10;
  top: 50%; transform: translateY(-50%);
  background: none; border: none;
  color: #f9f7f4;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 16px;
  opacity: 0.6;
  transition: opacity 220ms ease;
  line-height: 1;
}
.lightbox__prev:hover, .lightbox__next:hover { opacity: 1; }
.lightbox__prev { left: 16px; }
.lightbox__next { right: 16px; }

.project-nav {
  padding: 48px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.project-nav__link {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color 220ms ease;
}
.project-nav__link:hover { color: var(--dark); }
.project-nav__link--right { flex-direction: row-reverse; }

@media (max-width: 860px) {
  .project-back { padding: 0 24px; }
  .project-hero { grid-template-columns: 1fr; min-height: auto; }
  .project-hero__arch { padding: 40px 40px 24px; }
  .project-hero__arch-frame { max-width: 260px; }
  .project-hero__info { padding: 32px 24px 48px; }
  .gallery { padding: 64px 24px; }
  .project-nav { padding: 32px 24px; }
}
@media (max-width: 599px) {
  .project-back { padding: 0 16px; }
  .project-back__logo { display: none; }
  .project-hero__arch { padding: 28px 16px 16px; }
  .project-hero__arch-frame { max-width: 200px; }
  .project-hero__info { padding: 24px 16px 40px; }
  .gallery { padding: 48px 16px; }
  .gallery__design-docs { grid-template-columns: 1fr; }
  .gallery__doc { height: 260px; }
  .gallery__grid { grid-template-columns: 1fr; gap: 12px; }
  .gallery__item:first-child { aspect-ratio: 4 / 3; }
  .project-nav { padding: 24px 16px; flex-direction: column; gap: 16px; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .project-card__arch img,
  .project-card__overlay,
  .project-card__label,
  .contact__btn,
  .nav__links { transition: none; }
}