/* ==========================================================================
   Sections.
   ========================================================================== */

/* Header ------------------------------------------------------------------ */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.header.is-stuck {
  background: rgba(241, 243, 238, 0.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
}

.brand {
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  text-decoration: none;
  font-size: 1rem;
  white-space: nowrap;
}

.brand span {
  color: var(--muted);
  font-weight: 400;
}

.nav {
  display: none;
}

@media (min-width: 56rem) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
  }
}

.nav__link {
  position: relative;
  font-size: var(--fs-small);
  text-decoration: none;
  color: var(--ink-2);
  padding-block: var(--sp-2);
  transition: color var(--dur-fast) var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

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

.nav__link:hover::after {
  transform: scaleX(1);
}

.header__cta {
  display: none;
}

@media (min-width: 56rem) {
  .header__cta {
    display: inline-flex;
  }
}

/* Menu button and mobile panel -------------------------------------------- */

.menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.5rem;
  background: none;
  border: 0;
  cursor: pointer;
}

@media (min-width: 56rem) {
  .menu-btn {
    display: none;
  }
}

.menu-btn__bars {
  position: relative;
  width: 22px;
  height: 12px;
}

.menu-btn__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--dur) var(--ease);
}

.menu-btn__bars span:nth-child(1) {
  top: 0;
}

.menu-btn__bars span:nth-child(2) {
  bottom: 0;
}

.menu-btn[aria-expanded="true"] .menu-btn__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.menu-btn[aria-expanded="true"] .menu-btn__bars span:nth-child(2) {
  transform: translateY(-5px) rotate(-45deg);
}

.menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  grid-template-rows: var(--header-h) 1fr;
  background: var(--paper);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

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

@media (min-width: 56rem) {
  .menu {
    display: none;
  }
}

.menu__panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--sp-6);
  padding: var(--sp-6) var(--gutter)
    calc(var(--sp-7) + env(safe-area-inset-bottom));
  overflow-y: auto;
}

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

.menu__link {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.5rem, 1.1rem + 2.4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  text-decoration: none;
}

.menu__link span {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  color: var(--muted);
}

.menu__foot {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.menu__mail {
  font-size: var(--fs-lead);
  font-weight: 500;
  text-decoration: none;
  word-break: break-word;
}

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

.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3.5rem, 2rem + 8vw, 8rem));
  padding-bottom: clamp(3rem, 2rem + 5vw, 6rem);
}

.hero__label {
  margin-bottom: var(--sp-5);
}

.hero__title {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  max-width: 17ch;
}

.hero__title em {
  font-style: normal;
  color: var(--accent);
}

.hero__lead {
  margin-top: var(--sp-5);
  max-width: 52ch;
  font-size: var(--fs-lead);
  color: var(--ink-2);
}

.hero__actions {
  margin-top: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

@media (max-width: 26rem) {
  .hero__actions .btn {
    flex: 1 1 100%;
  }
}

.hero__meta {
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
  display: grid;
  gap: var(--sp-5);
}

@media (min-width: 40rem) {
  .hero__meta {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
  }
}

.hero__meta dt {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--sp-2);
}

.hero__meta dd {
  margin: 0;
  font-size: var(--fs-small);
}

/* Work -------------------------------------------------------------------- */

.work-list {
  display: flex;
  flex-direction: column;
  gap: clamp(3.5rem, 2rem + 7vw, 7rem);
}

.work {
  display: grid;
  gap: var(--sp-5);
}

@media (min-width: 64rem) {
  .work {
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
    gap: var(--sp-7);
  }

  .work__media {
    grid-column: 1 / span 7;
  }

  .work__body {
    grid-column: 9 / -1;
  }

  .work--flip .work__media {
    grid-column: 6 / -1;
    grid-row: 1;
  }

  .work--flip .work__body {
    grid-column: 1 / span 4;
    grid-row: 1;
  }
}

.work__media {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--paper-2);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}

@media (min-width: 64rem) {
  .work__media {
    aspect-ratio: 16 / 11;
  }
}

.work__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--dur-slow) var(--ease);
}

@media (hover: hover) {
  .work__media:hover img {
    transform: scale(1.03);
  }
}

.work__top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.work__index {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--accent);
}

.work__cat {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

.work__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
}

.work__desc {
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: var(--sp-4);
}

.work__body .tags {
  margin-bottom: var(--sp-5);
}

.work__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 2.75rem;
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

.work__link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.work__link .btn__arrow {
  transition: transform var(--dur) var(--ease);
}

.work__link:hover .btn__arrow {
  transform: translate(3px, -3px);
}

.work__soon {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 2.75rem;
  font-size: var(--fs-small);
  color: var(--muted);
}

/* Capabilities ------------------------------------------------------------ */

.caps {
  display: grid;
  border-top: 1px solid var(--line);
}

@media (min-width: 48rem) {
  .caps {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--sp-7);
  }
}

.cap {
  padding-block: var(--sp-6);
  border-bottom: 1px solid var(--line);
}

.cap__num {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--accent);
  display: block;
  margin-bottom: var(--sp-3);
}

.cap__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
}

.cap__text {
  color: var(--muted);
  max-width: 44ch;
}

/* About ------------------------------------------------------------------- */

.about {
  display: grid;
  gap: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
}

@media (min-width: 60rem) {
  .about {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }
}

.about__title {
  font-size: var(--fs-h2);
  max-width: 18ch;
  margin-bottom: var(--sp-5);
}

.about__text {
  color: var(--ink-2);
  max-width: var(--measure);
  font-size: var(--fs-lead);
}

.about__text + .about__text {
  margin-top: var(--sp-4);
}

.facts {
  display: grid;
  border-top: 1px solid var(--line);
}

.facts__row {
  display: grid;
  grid-template-columns: minmax(6.5rem, auto) 1fr;
  gap: var(--sp-4);
  padding-block: var(--sp-4);
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.facts dt {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

.facts dd {
  margin: 0;
  font-size: var(--fs-small);
}

/* Contact ----------------------------------------------------------------- */

.contact__wrap {
  padding-bottom: var(--section-y);
}

.contact {
  background: var(--dark);
  color: var(--on-dark);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 1.5rem + 5vw, 5.5rem) clamp(1.5rem, 1rem + 3vw, 4rem);
}

.contact .label {
  color: var(--on-dark-muted);
}

.contact__title {
  margin-top: var(--sp-5);
  font-size: var(--fs-h2);
  max-width: 16ch;
}

.contact__text {
  margin-top: var(--sp-4);
  color: var(--on-dark-muted);
  max-width: 48ch;
}

.contact__mail {
  display: inline-block;
  margin-top: var(--sp-6);
  font-size: clamp(1.125rem, 0.9rem + 1.5vw, 2rem);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 239, 233, 0.3);
  padding-bottom: 4px;
  word-break: break-word;
  transition: border-color var(--dur-fast) var(--ease);
}

.contact__mail:hover {
  border-color: var(--on-dark);
}

.contact__actions {
  margin-top: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

@media (max-width: 26rem) {
  .contact__actions .btn {
    flex: 1 1 100%;
  }
}

/* Footer ------------------------------------------------------------------ */

.footer {
  padding-block: var(--sp-6) calc(var(--sp-6) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  font-size: var(--fs-small);
  color: var(--muted);
}

.footer__links {
  display: flex;
  gap: var(--sp-5);
}

.footer__links a {
  text-decoration: none;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  transition: color var(--dur-fast) var(--ease);
}

.footer__links a:hover {
  color: var(--ink);
}

/* Without JavaScript the panel cannot open, so keep the links reachable. */
.no-js .menu-btn { display: none; }
.no-js .menu { display: none; }

@media (max-width: 55.99rem) {
  .no-js .nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
  }
}

/* ==========================================================================
   Mobile composition. Not just a narrower desktop: photography runs to the
   screen edges, meta becomes ruled rows, and the reading rhythm is rebuilt.
   ========================================================================== */

@media (max-width: 47.99rem) {
  /* Hero meta reads as a small spec sheet rather than three loose blocks. */
  .hero__meta {
    gap: 0;
    margin-top: 2.5rem;
  }

  .hero__meta > div {
    display: grid;
    grid-template-columns: 8.5rem 1fr;
    gap: var(--sp-4);
    align-items: baseline;
    padding-block: var(--sp-4);
    border-bottom: 1px solid var(--line);
  }

  .hero__meta dt { margin-bottom: 0; }

  /* Section heads: the note sits under a hairline so it reads as a caption. */
  .section__head { gap: var(--sp-3); }

  .section__note {
    max-width: none;
    padding-top: var(--sp-4);
    border-top: 1px solid var(--line);
    font-size: var(--fs-small);
  }

  /* Each project is shown as it looks on a phone, sitting on a tinted panel
     rather than cropped into a card. A desktop screenshot squeezed into a
     portrait frame loses its own navigation and headline. */
  .work-list { gap: 4rem; }

  .work__media {
    margin-inline: calc(var(--gutter) * -1);
    width: calc(100% + var(--gutter) * 2);
    border-radius: 0;
    border-inline: 0;
    border-block: 1px solid var(--line);
    background: var(--paper-2);
    aspect-ratio: auto;
    display: grid;
    place-items: center;
    padding-block: clamp(1.75rem, 1rem + 4vw, 3rem);
  }

  .work__media picture { display: block; width: min(58%, 13.5rem); }

  .work__media img {
    width: 100%;
    height: auto;
    aspect-ratio: 390 / 844;
    border-radius: 14px;
    border: 1px solid rgba(20, 18, 15, 0.12);
    box-shadow: 0 18px 40px -18px rgba(20, 18, 15, 0.45);
    object-position: top center;
  }

  /* The lift on hover belongs to pointer devices, not to a tap. */
  .work__media:hover img { transform: none; }

  /* Index and category sit on one ruled line above the title. */
  .work__top {
    justify-content: space-between;
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--line);
    margin-top: var(--sp-5);
  }

  .work__desc { max-width: none; }

  /* Capabilities become a numbered list, with the number in its own column so
     a wrapping title still lines up. */
  .cap {
    display: grid;
    grid-template-columns: 2rem 1fr;
    column-gap: var(--sp-2);
    padding-block: var(--sp-5);
  }

  .cap__num { grid-column: 1; margin-bottom: 0; line-height: 1.5; }
  .cap__title { grid-column: 2; margin-bottom: 0; }
  .cap__text { grid-column: 2; margin-top: var(--sp-3); max-width: none; }

  /* The hero starts a little higher so the headline lands sooner. */
  .hero { padding-top: calc(var(--header-h) + 2.5rem); }
  .hero__meta > div { padding-block: var(--sp-3); }

  .about__text { font-size: var(--fs-body); }

  .facts__row { grid-template-columns: 7.5rem 1fr; }

  /* Footer stacks into two clear rows instead of wrapping awkwardly. */
  .footer__inner { flex-direction: column; align-items: flex-start; gap: var(--sp-2); }
  .footer__links { flex-wrap: wrap; gap: var(--sp-4); }
}

@media (max-width: 26rem) {
  .hero__meta > div,
  .facts__row { grid-template-columns: 1fr; gap: var(--sp-1); }
}