/* ==========================================================================
   components.css — Reusable UI primitives
   Keep neutral and evolvable. Section-specific polish lives in home.css /
   project.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Container / section
   -------------------------------------------------------------------------- */

.container {
  width: min(100% - (var(--page-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - (var(--page-gutter) * 2), var(--container-narrow));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
}

.section__header {
  margin-bottom: var(--space-7);
  max-width: 40rem;
}

.section__label {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-blue);
}

.section__heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 650;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section__intro {
  margin-top: var(--space-4);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
  max-width: 36rem;
}

/* --------------------------------------------------------------------------
   Buttons & links
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  transition:
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.btn--primary {
  background: linear-gradient(180deg, #6aa3ff 0%, var(--color-blue) 100%);
  color: #061018;
  border-color: rgba(122, 175, 255, 0.45);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset;
}

.btn--primary:hover {
  background: linear-gradient(180deg, #7db0ff 0%, #5a97ff 100%);
  border-color: rgba(160, 200, 255, 0.55);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.24) inset,
    0 6px 16px rgba(77, 141, 255, 0.14);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.16);
}

.btn--secondary:hover {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
  padding-inline: 0.5rem;
}

.btn--ghost:hover {
  color: var(--color-text);
}

.text-link {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--duration-fast) var(--ease-out);
}

.text-link:hover {
  color: #7aafff;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   Tags
   -------------------------------------------------------------------------- */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   Media placeholder
   -------------------------------------------------------------------------- */

.media-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 16rem;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(26, 35, 51, 0.9), rgba(16, 23, 34, 0.95)),
    radial-gradient(circle at 30% 20%, rgba(77, 141, 255, 0.12), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(107, 92, 255, 0.1), transparent 45%);
  color: var(--color-text-muted);
  text-align: center;
}

.media-placeholder__label {
  max-width: 16rem;
  padding: var(--space-4);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
}

.media-placeholder--hero {
  aspect-ratio: 5 / 6;
  min-height: 20rem;
}

.media-placeholder--wide {
  aspect-ratio: 16 / 10;
  min-height: 14rem;
}

/* --------------------------------------------------------------------------
   Project showcase (homepage)

   RULE: Every homepage project showcase uses the SAME component size,
   structural layout, spacing, image proportions, and button sizes.
   Individual projects may only vary through content, imagery, accent color,
   and subtle project-specific visual details (via modifiers like
   .project-showcase--japan47). Do not invent incompatible per-project layouts.

   Panel chrome (outer inset, gap, radius) is shared across all showcases.
   -------------------------------------------------------------------------- */

.work__panels {
  --panel-inset: 0.625rem; /* ~10px mobile */
  --panel-gap: 0.625rem; /* ~10px mobile */
  --panel-radius: 1.125rem; /* ~18px mobile */

  display: flex;
  flex-direction: column;
  gap: var(--panel-gap);
  width: 100%;
  padding-inline: var(--panel-inset);
  box-sizing: border-box;
}

.project-showcase {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-7);
  /* Keep content aligned with site container measure */
  padding-inline: max(
    var(--page-gutter),
    calc((100vw - var(--container-max)) / 2 - var(--panel-inset))
  );
  border: 1px solid var(--color-border);
  border-radius: var(--panel-radius);
  overflow: hidden;
  background: var(--color-surface);
  box-sizing: border-box;
}

.project-showcase__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.project-showcase__number {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
}

.project-showcase__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 650;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.project-showcase__desc {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  max-width: 34rem;
}

.project-showcase__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.project-showcase__media {
  min-width: 0;
}

/* CheckStation — navy / blue SaaS theme (shared showcase structure unchanged) */
.project-showcase--checkstation {
  --cs-ink: #e8f0ff;
  --cs-muted: #9eb0cc;
  --cs-navy: #061428;
  --cs-navy-mid: #0a2148;
  --cs-blue: #1f6fff;
  --cs-cyan: #22c7e8;
  --cs-line: rgba(34, 199, 232, 0.22);
  border-color: rgba(31, 111, 255, 0.28);
  color: var(--cs-ink);
  background:
    radial-gradient(
      ellipse 55% 50% at 92% 18%,
      rgba(34, 199, 232, 0.16),
      transparent 62%
    ),
    radial-gradient(
      ellipse 50% 45% at 8% 88%,
      rgba(31, 111, 255, 0.22),
      transparent 58%
    ),
    linear-gradient(165deg, #071a36 0%, var(--cs-navy-mid) 48%, #061428 100%);
  box-shadow:
    inset 0 1px 0 rgba(34, 199, 232, 0.12),
    0 0 40px rgba(31, 111, 255, 0.08);
}

.project-showcase--checkstation::before,
.project-showcase--checkstation::after {
  content: none;
}

.project-showcase--checkstation .project-showcase__number {
  color: var(--cs-cyan);
}

.project-showcase--checkstation .project-showcase__title {
  font-family: "Plus Jakarta Sans", "Segoe UI", "Helvetica Neue", Helvetica,
    Arial, sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fff;
}

.project-showcase--checkstation .project-showcase__desc {
  color: var(--cs-muted);
}

.project-showcase--checkstation .tag {
  border-color: rgba(34, 199, 232, 0.28);
  color: var(--cs-ink);
  background: rgba(6, 20, 40, 0.55);
}

.project-showcase--checkstation .tag:hover {
  border-color: var(--cs-cyan);
  color: #fff;
  background: rgba(31, 111, 255, 0.2);
}

.project-showcase--checkstation .btn--primary {
  background: var(--cs-blue);
  border-color: var(--cs-blue);
  color: #fff;
  box-shadow: 0 0 24px rgba(34, 199, 232, 0.18);
}

.project-showcase--checkstation .btn--primary:hover {
  background: #3a82ff;
  border-color: #3a82ff;
  color: #fff;
  box-shadow: 0 0 28px rgba(34, 199, 232, 0.28);
}

.project-showcase--checkstation .media-placeholder {
  border-color: transparent;
  background:
    radial-gradient(
      ellipse 48% 55% at 50% 40%,
      rgba(34, 199, 232, 0.1),
      transparent 68%
    ),
    linear-gradient(180deg, #0c274f 0%, #081a34 55%, #061428 100%);
  box-shadow: none;
  color: var(--cs-muted);
  padding: 0;
}

/* Outer 16:10 slot unchanged; browser nearly fills like Japan47 media */
.project-showcase--checkstation .cs-home-preview {
  display: grid;
  place-items: center;
  padding: clamp(0.3rem, 0.9vw, 0.45rem);
  overflow: hidden;
}

.project-showcase--checkstation .cs-home-browser {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 0.2rem);
  border: 1px solid rgba(215, 224, 238, 0.85);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(3, 12, 28, 0.28);
}

.project-showcase--checkstation .cs-home-browser__chrome {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
  padding: 0.38rem 0.55rem;
  border-bottom: 1px solid #d7e0ee;
  background: #eef3fa;
}

.project-showcase--checkstation .cs-home-browser__dot {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: #c5d0e0;
}

.project-showcase--checkstation .cs-home-browser__url {
  margin-left: 0.35rem;
  flex: 1;
  min-width: 0;
  padding: 0.18rem 0.5rem;
  border-radius: 0.28rem;
  border: 1px solid #d7e0ee;
  background: #ffffff;
  color: #5b6b82;
  font-size: 0.62rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}

.project-showcase--checkstation .cs-home-browser__viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: #f5f8fc;
}

.project-showcase--checkstation .cs-home-browser__img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

/* Japan47 — light product theme (shared showcase structure unchanged) */
.project-showcase--japan47 {
  --j47-ink: #20251f;
  --j47-muted: #687067;
  --j47-paper: #fbfaf5;
  --j47-cream: #fbfaf5;
  --j47-red: #b43832;
  --j47-red-dark: #862721;
  --j47-line: #d9d8cf;
  --j47-blush: #f3e8e4;
  border-color: var(--j47-line);
  color: var(--j47-ink);
  background:
    radial-gradient(
      ellipse 70% 60% at 88% 30%,
      rgba(180, 56, 50, 0.06),
      transparent 62%
    ),
    radial-gradient(
      ellipse 55% 50% at 10% 80%,
      rgba(219, 227, 212, 0.35),
      transparent 58%
    ),
    linear-gradient(
      180deg,
      #f7f4ed 0%,
      var(--j47-paper) 40%,
      #f8f5ef 100%
    );
}

.project-showcase--japan47::before,
.project-showcase--japan47::after {
  content: none;
}

.project-showcase--japan47 .project-showcase__number {
  color: var(--j47-red);
}

.project-showcase--japan47 .project-showcase__title {
  font-family: "Shippori Mincho", "Iowan Old Style", Palatino, Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--j47-ink);
}

.project-showcase--japan47 .project-showcase__accent {
  color: var(--j47-red);
}

.project-showcase--japan47 .project-showcase__desc {
  color: var(--j47-muted);
}

.project-showcase--japan47 .tag {
  border-color: var(--j47-line);
  color: var(--j47-ink);
  background: rgba(255, 255, 255, 0.72);
}

.project-showcase--japan47 .tag:hover {
  border-color: rgba(180, 56, 50, 0.45);
  color: var(--j47-red-dark);
  background: #fff;
}

.project-showcase--japan47 .btn--primary {
  background: var(--j47-red);
  border-color: var(--j47-red);
  color: var(--j47-cream);
  box-shadow: none;
}

.project-showcase--japan47 .btn--primary:hover {
  background: var(--j47-red-dark);
  border-color: var(--j47-red-dark);
  color: var(--j47-cream);
  box-shadow: none;
}

.project-showcase--japan47 .media-placeholder {
  border-color: var(--j47-line);
  background: var(--j47-cream);
  box-shadow: none;
  color: var(--j47-muted);
  padding: 0;
}

.project-showcase--japan47 .media-placeholder img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* QuickCal — light native-mobile theme (shared showcase structure unchanged) */
.project-showcase--quickcal {
  --qc-ink: #141816;
  --qc-muted: #6a736e;
  --qc-paper: #f3f5f4;
  --qc-white: #ffffff;
  --qc-green: #1f9d57;
  --qc-green-dark: #177a43;
  --qc-lime: #b6e35a;
  --qc-line: #e2e7e3;
  border-color: var(--qc-line);
  color: var(--qc-ink);
  background:
    radial-gradient(
      ellipse 60% 55% at 88% 25%,
      rgba(182, 227, 90, 0.2),
      transparent 62%
    ),
    radial-gradient(
      ellipse 50% 45% at 8% 85%,
      rgba(31, 157, 87, 0.08),
      transparent 58%
    ),
    linear-gradient(180deg, #f7f9f8 0%, var(--qc-paper) 45%, #eef2f0 100%);
}

.project-showcase--quickcal::before,
.project-showcase--quickcal::after {
  content: none;
}

.project-showcase--quickcal .project-showcase__number {
  color: var(--qc-green);
}

.project-showcase--quickcal .project-showcase__title {
  font-family: "Plus Jakarta Sans", "Segoe UI", "Helvetica Neue", Helvetica,
    Arial, sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--qc-ink);
}

.project-showcase--quickcal .project-showcase__desc {
  color: var(--qc-muted);
}

.project-showcase--quickcal .tag {
  border-color: var(--qc-line);
  color: var(--qc-ink);
  background: rgba(255, 255, 255, 0.88);
}

.project-showcase--quickcal .tag:hover {
  border-color: rgba(31, 157, 87, 0.45);
  color: var(--qc-green-dark);
  background: #fff;
}

.project-showcase--quickcal .btn--primary {
  background: var(--qc-green);
  border-color: var(--qc-green);
  color: #fff;
  box-shadow: none;
}

.project-showcase--quickcal .btn--primary:hover {
  background: var(--qc-green-dark);
  border-color: var(--qc-green-dark);
  color: #fff;
  box-shadow: none;
}

.project-showcase--quickcal .media-placeholder {
  border-color: var(--qc-line);
  background:
    radial-gradient(
      ellipse 48% 55% at 50% 45%,
      rgba(182, 227, 90, 0.16),
      transparent 68%
    ),
    linear-gradient(180deg, #fbfcfb 0%, #f3f5f4 55%, #eef2f0 100%);
  box-shadow: none;
  color: var(--qc-muted);
  padding: 0;
}

/* 16:10 outer slot unchanged; centered portrait phone, no stretch */
.project-showcase--quickcal .qc-home-preview {
  display: grid;
  place-items: center;
  overflow: hidden;
}

.project-showcase--quickcal .qc-home-preview__img {
  display: block;
  width: auto;
  height: 88%;
  max-height: 88%;
  max-width: min(42%, 9.5rem);
  object-fit: contain;
  object-position: center center;
  border-radius: 1.1rem;
  border: 1px solid var(--qc-line);
  box-shadow: 0 14px 32px rgba(20, 24, 22, 0.1);
  background: #fff;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  background: transparent;
  isolation: isolate;
  transition:
    background-color var(--duration-base) var(--ease-out),
    backdrop-filter var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(11, 15, 23, 0.78);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  width: min(100% - (var(--page-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.site-header__edge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}

.site-header__edge-line {
  display: block;
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.site-header__edge-glow {
  position: absolute;
  top: -1px;
  left: 0;
  width: min(26vw, 11rem);
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(77, 141, 255, 0.18) 22%,
    rgba(170, 205, 255, 0.7) 48%,
    rgba(107, 92, 255, 0.42) 72%,
    transparent 100%
  );
  filter: blur(0.4px);
  opacity: 0.7;
  animation: header-edge-sweep 13s linear infinite;
}

@keyframes header-edge-sweep {
  0% {
    transform: translateX(-130%);
    opacity: 0;
  }
  8% {
    opacity: 0.55;
  }
  50% {
    opacity: 0.7;
  }
  92% {
    opacity: 0.5;
  }
  100% {
    transform: translateX(520%);
    opacity: 0;
  }
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-out);
}

.brand:hover {
  color: #ffffff;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-text);
}

.nav__link--resume {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition:
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.nav__link--resume:hover,
.nav__link--resume[aria-current="page"],
.nav__link--resume[aria-expanded="true"] {
  color: var(--color-text);
  border-color: rgba(170, 200, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
}

.nav-resume {
  position: relative;
}

.resume-menu {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  z-index: calc(var(--z-header) + 2);
  min-width: 15rem;
  max-width: min(18rem, calc(100vw - 1.5rem));
  padding: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(15, 20, 30, 0.96);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px) saturate(1.1);
  -webkit-backdrop-filter: blur(16px) saturate(1.1);
}

.resume-menu[hidden] {
  display: none;
}

.resume-menu__section + .resume-menu__section {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.resume-menu__section-label {
  margin: 0 0 var(--space-2);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.resume-menu__group + .resume-menu__group {
  margin-top: var(--space-3);
}

.resume-menu__doc {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.resume-menu__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.resume-menu__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 550;
  text-align: center;
  transition:
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.resume-menu__action:hover,
.resume-menu__action:focus-visible {
  color: #fff;
  border-color: rgba(170, 200, 255, 0.4);
  background: rgba(255, 255, 255, 0.07);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-fast);
}

.nav-toggle__icon {
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__icon::before {
  top: -5px;
}

.nav-toggle__icon::after {
  top: 5px;
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  top: 0;
  transform: rotate(-45deg);
}

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

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  padding-block: var(--space-7);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-footer__brand {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-footer__meta {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-footer__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.site-footer__nav a:hover {
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Reveal foundation (optional; activated by JS)
   -------------------------------------------------------------------------- */

[data-reveal] {
  opacity: 1;
  transform: none;
}

.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(0.75rem);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.js-enabled [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js-enabled [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .site-header__edge-glow {
    animation: none;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.35;
    width: min(36vw, 10rem);
  }
}

/* 404 */

.page-404 {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: var(--section-space) var(--page-gutter);
  text-align: center;
}

.page-404__inner {
  display: grid;
  gap: var(--space-5);
  justify-items: center;
  max-width: 28rem;
}

.page-404__code {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-404__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
}

.page-404__text {
  color: var(--color-text-muted);
}