/* ==========================================================================
   Components
   Header, navigation, language toggle, buttons, link rows, footer.
   ========================================================================== */

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

.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  block-size: var(--header-h);
  display: flex;
  align-items: center;
  /* Pinned LTR on purpose: everywhere else on the page mirrors with the
     language, but the header's arrangement — logo start, nav and language
     toggle end — stays put regardless of which language is active, so the
     header never visibly jumps when the toggle is clicked. */
  direction: ltr;
  transition: background-color var(--dur) var(--ease-out-soft),
    border-color var(--dur) var(--ease-out-soft);
  border-block-end: 1px solid transparent;
}

.header.is-stuck {
  background-color: rgba(247, 243, 236, 0.82);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-block-end-color: var(--sand-300);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* The script M from the logo. The full lockup is unreadable at this size —
   its caps would land under 4px — so the header carries the mark alone and
   the footer carries the complete signature. */
.monogram {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  text-decoration: none;
}

.monogram img {
  block-size: 2.4rem;
  inline-size: auto;
  transition: opacity var(--dur) var(--ease-out-soft),
    transform var(--dur) var(--ease-out-expo);
}

.monogram:hover img {
  opacity: 0.7;
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .monogram:hover img {
    transform: none;
  }
}

.header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.25rem);
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  font-size: var(--text-sm);
  color: var(--ink-soft);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-soft);
}

.nav__link::after {
  content: "";
  position: absolute;
  inset-block-end: 0.75rem;
  inset-inline: 0;
  block-size: 1px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: inline-start;
  transition: transform var(--dur) var(--ease-out-expo);
}

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

.nav__link:hover::after,
.nav__link:focus-visible::after {
  transform: scaleX(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.25rem);
}

/* "My Projects" dropdown ---------------------------------------------------
   A disclosure, not a full menu widget: one button revealing a small panel
   of links, opened/closed by click (see initNavDropdown in main.js) rather
   than hover, so it works the same on touch, mouse and keyboard. */
.nav__item--dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  gap: 0.35rem;
  background: transparent;
  border: 0;
  padding: 0;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: inherit;
  cursor: pointer;
}

.nav__dropdown-caret {
  display: inline-block;
  inline-size: 6px;
  block-size: 6px;
  border-inline-end: 1.5px solid currentColor;
  border-block-end: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur-fast) var(--ease-out-soft);
}

.nav__dropdown-toggle[aria-expanded="true"] .nav__dropdown-caret {
  transform: rotate(-135deg) translateY(1px);
}

.nav__dropdown {
  position: absolute;
  inset-block-start: 100%;
  inset-inline-start: 0;
  inline-size: max-content;
  min-inline-size: 12rem;
  margin-block-start: 0.9rem;
  padding: 0.4rem;
  background: var(--sand-50);
  border: var(--hairline);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--dur-fast) var(--ease-out-soft),
    transform var(--dur-fast) var(--ease-out-soft), visibility var(--dur-fast);
}

.nav__dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-xs);
  font-size: var(--text-sm);
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-out-soft),
    color var(--dur-fast) var(--ease-out-soft);
}

.nav__dropdown-link:hover,
.nav__dropdown-link:focus-visible {
  background: var(--sand-200);
  color: var(--ink);
}

/* Hamburger toggle: hidden until the nav links get collapsed below. */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  inline-size: 44px;
  block-size: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  inline-size: 20px;
  block-size: 1.5px;
  background: var(--ink);
  transition: transform var(--dur-fast) var(--ease-out-soft),
    opacity var(--dur-fast) var(--ease-out-soft);
}

.nav-toggle__bars {
  position: relative;
  display: inline-block;
}

.nav-toggle__bars::before {
  inset-block-start: -6px;
  inset-inline-start: 0;
}

.nav-toggle__bars::after {
  inset-block-start: 6px;
  inset-inline-start: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 34.99em) {
  .nav-toggle {
    display: inline-flex;
  }

  /* The header establishes the containing block for this panel (it's
     position: fixed), so it drops full-width directly under the header
     regardless of where in the nav markup it sits. */
  .nav-links {
    position: absolute;
    inset-inline: 0;
    inset-block-start: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-block-size: 0;
    overflow: hidden;
    opacity: 0;
    background: var(--sand-100);
    border-block-end: var(--hairline);
    transition: max-block-size var(--dur) var(--ease-out-soft),
      opacity var(--dur-fast) var(--ease-out-soft);
  }

  .nav-links.is-open {
    max-block-size: 20rem;
    opacity: 1;
    box-shadow: var(--shadow-lift);
  }

  .nav-links .nav__link {
    padding-inline: var(--gutter);
    border-block-end: 1px solid var(--sand-300);
  }

  /* On the floating desktop panel this is a popover; inside the collapsed
     mobile menu it's just the next row, expanding in place like an
     accordion instead of overlapping anything. */
  .nav-links .nav__dropdown-toggle {
    inline-size: 100%;
    justify-content: space-between;
  }

  .nav-links .nav__dropdown {
    position: static;
    inset: auto;
    inline-size: auto;
    min-inline-size: 0;
    margin: 0;
    padding: 0;
    background: var(--sand-200);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-block-size: 0;
    overflow: hidden;
    transition: max-block-size var(--dur) var(--ease-out-soft);
  }

  .nav-links .nav__dropdown.is-open {
    max-block-size: 6rem;
  }

  .nav-links .nav__dropdown-link {
    padding-inline: calc(var(--gutter) + 1rem);
    padding-block: 0.75rem;
    border-block-end: 1px solid var(--sand-300);
  }

  .nav-links .nav__link::after {
    content: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-links,
  .nav__dropdown,
  .nav__dropdown-caret {
    transition: none;
  }
}

/* Language toggle */
.lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.4);
}

.lang__btn {
  min-block-size: 44px;
  min-inline-size: 44px;
  padding-inline: 0.8rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out-soft),
    color var(--dur-fast) var(--ease-out-soft);
}

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

.lang__btn[aria-pressed="true"] {
  /* Same copper/sand-50 pairing as .btn--primary, so the selected pill
     reads as the site's one accent colour rather than a second, muted
     "selected" grey. sand-50 text is required here, not ink — ink on
     copper only clears ~3.5:1 at this small (--text-xs) size, under the
     4.5:1 minimum; sand-50 gets to ~4.7:1, matching .btn--primary. */
  background: var(--copper);
  color: var(--sand-50);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-block-size: 48px;
  padding-inline: 1.6rem;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur) var(--ease-out-expo),
    background-color var(--dur-fast) var(--ease-out-soft),
    border-color var(--dur-fast) var(--ease-out-soft),
    box-shadow var(--dur) var(--ease-out-expo);
}

.btn--primary {
  background: var(--copper);
  color: var(--sand-50);
}

.btn--primary:hover {
  background: var(--copper-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

/* Secondary action: same shape and weight as the primary button, but
   outlined rather than filled, so it reads as the second choice without
   competing with it. */
.btn--ghost {
  background: transparent;
  border-color: var(--copper);
  color: var(--copper-deep);
}

.btn--ghost:hover {
  background: var(--sand-200);
  border-color: var(--copper-deep);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover {
    transform: none;
  }
}
/* --------------------------------------------------------------------------
   Connect
   -------------------------------------------------------------------------- */

.connect {
  background: var(--sand-50);
  border-block-start: var(--hairline);
}

/* The page is left-aligned editorial throughout; the closing section breaks
   to centre on purpose, so it reads as a coda rather than another list. */
.connect .section__head {
  justify-items: center;
  text-align: center;
  margin-block-end: var(--space-lg);
}

.connect .label {
  justify-content: center;
}

.connect .label::after {
  content: "";
  inline-size: 2.25rem;
  block-size: 1px;
  background: var(--copper);
  flex: none;
}

.connect__intro {
  color: var(--ink-soft);
  max-inline-size: var(--measure);
  margin-inline: auto;
}

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

.contact-form {
  display: grid;
  gap: var(--space-lg);
  max-inline-size: 30rem;
  margin-inline: auto;
}

.field {
  display: grid;
  gap: 0.5rem;
  text-align: start;
}

.field label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-soft);
}

html[lang="ar"] .field label {
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-sm);
}

/* Underline-only inputs, matching the page's paper-and-ink editorial feel
   rather than boxed form-library defaults. */
.field input,
.field textarea {
  padding-block: 0.6rem;
  border: 0;
  border-block-end: 1px solid var(--sand-400);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  resize: vertical;
  transition: border-color var(--dur-fast) var(--ease-out-soft);
}

.field textarea {
  min-block-size: 7rem;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-block-end-color: var(--copper);
}

.field input:user-invalid,
.field textarea:user-invalid {
  border-block-end-color: var(--copper-deep);
}

.field__error {
  min-block-size: 1.1em;
  font-size: var(--text-sm);
  color: var(--copper-deep);
}

/* Honeypot: hidden from sighted users and screen readers alike — unlike a
   typical visually-hidden-but-announced pattern, this content must never be
   exposed to anyone real — but still a plain reachable input for simple bots
   that don't render CSS. */
.field--trap {
  position: absolute;
  inset-inline-start: -9999px;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
}

.contact-form .btn {
  justify-self: start;
  min-inline-size: 10rem;
}

.contact-form .btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.contact-form__status {
  min-block-size: 1.5em;
  font-size: var(--text-sm);
}

.contact-form__status[data-state="success"] {
  color: var(--copper-deep);
}

.contact-form__status[data-state="error"] {
  color: var(--copper-deep);
}

.contact-form__status a {
  color: inherit;
  text-decoration-color: currentColor;
}

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

.footer {
  position: relative;
  z-index: 2;
  padding-block: var(--space-lg);
  border-block-start: var(--hairline);
  background: var(--sand-50);
}

/* A quiet sign-off rather than a navigation bar: logo, copyright, then the
   one utility link, stacked and centred. */
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--ink-soft);
}

.footer__logo {
  inline-size: clamp(11rem, 26vw, 14rem);
  block-size: auto;
}

.footer__social {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 44px;
  min-inline-size: 44px;
  color: var(--copper);
  transition: color var(--dur-fast) var(--ease-out-soft),
    transform var(--dur) var(--ease-out-expo);
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
  color: var(--copper-deep);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .footer__social-link:hover,
  .footer__social-link:focus-visible {
    transform: none;
  }
}

.footer__social-icon {
  inline-size: 20px;
  block-size: 20px;
  fill: currentColor;
}

.footer__copyright {
  color: var(--ink-faint);
}

.footer__top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-block-size: 44px;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-soft);
}

.footer__top:hover {
  color: var(--copper-deep);
}