/* Vigentis — shared styles (Phase 1, BG) */
:root {
  --color-blue: #4a90e2;
  --color-blue-deep: #1e3a5f;
  --color-blue-dark: #0f2744;
  --color-orange: #f5a623;
  --color-orange-hover: #e09010;
  --color-sky: #87ceeb;
  --color-silver: #6b7a8f;
  --color-text: #1a2332;
  --color-text-muted: #4a5568;
  --color-white: #ffffff;
  --color-surface: #f4f7fb;
  --color-surface-elevated: #ffffff;
  --font-sans: "Montserrat", system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(15, 39, 68, 0.08);
  --shadow-md: 0 12px 40px rgba(15, 39, 68, 0.12);
  --radius: 12px;
  --radius-lg: 16px;
  /* Header bar height + logo “zoom” to punch past the PNG’s baked-in white margins.
     Tune --logo-zoom until the mark fills the bar; higher = the artwork is bigger and
     the empty top/bottom bands are clipped by overflow:hidden on header/footer. */
  --header-h: 4.5rem;
  --logo-zoom: 2;
  --header-logo-w: min(46vw, 14rem);
  --footer-logo-h: 2.5rem;
  --footer-logo-w: min(44vw, 10.5rem);
  --max: 72rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0.5rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  background: var(--color-white);
  border-radius: 4px;
  font-weight: 600;
}

.skip-link:focus {
  top: 0.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  min-height: var(--header-h);
  /* Minimal side padding so the mark can use more width */
  padding: 0 clamp(0.65rem, 2vw, 1.15rem);
  overflow: hidden;
  /* Match logo’s built-in white so the mark doesn’t sit in a grey “box” */
  background: #ffffff;
  border-bottom: 1px solid rgba(30, 58, 95, 0.1);
  box-shadow: var(--shadow-sm);
}

.site-header__brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.75rem;
  padding: 0;
  margin: 0;
  min-width: 0;
  max-width: 100%;
  min-height: 0;
  line-height: 0; /* keep img flush to bar height */
}

/* Brand mark */
.site-logo {
  display: block;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: left center;
}

/* Oversize vertically + negative margin-block = the image reserves only --header-h of
   layout space, but its artwork visually fills the bar. overflow:hidden on .site-header
   clips the empty white bands from the PNG. */
.site-header__brand .site-logo {
  height: calc(var(--header-h) * var(--logo-zoom));
  margin-block: calc(var(--header-h) * (1 - var(--logo-zoom)) / 2);
  width: auto;
  max-width: var(--header-logo-w);
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
}

.site-header__title {
  display: block;
  margin: 0;
  line-height: 1.1;
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-blue-deep);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
  white-space: nowrap;
  align-self: center;
  padding-left: 0.1rem;
}

/* Nav */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(30, 58, 95, 0.15);
  border-radius: 8px;
  background: var(--color-white);
  cursor: pointer;
  padding: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle__icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 1.25rem;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-blue-dark);
  transition: transform 0.2s, opacity 0.2s;
}

.nav {
  width: 100%;
  order: 3;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.nav.is-open {
  max-height: 22rem;
}

.nav__list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav__list a {
  display: block;
  padding: 0.6rem 0.25rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 6px;
}

.nav__list a:hover {
  background: rgba(74, 144, 226, 0.1);
  text-decoration: none;
  color: var(--color-blue);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    width: auto;
    order: 0;
    max-height: none !important;
    overflow: visible;
  }

  .nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0;
    align-items: center;
    gap: 0.25rem 1.5rem;
  }
}

/* Hero
   Two-layer background: a blurred "cover" copy fills the full hero area
   (so there are no empty bands on wide screens), while a sharp "contain"
   copy on top shows the entire photo without cropping. */
.hero {
  --hero-image: url("/assets/images/main.png");
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: min(70vh, 34rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 5rem) 1.5rem;
  background-color: #0f2744;
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

/* Blurred cover layer fills the empty space behind the contained image. */
.hero::before {
  content: "";
  position: absolute;
  inset: -2rem;
  z-index: -2;
  background: var(--hero-image) center / cover no-repeat;
  filter: blur(28px) brightness(0.55) saturate(1.1);
}

/* Sharp contained layer + soft tint for headline contrast. */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      180deg,
      rgba(10, 22, 40, 0) 0%,
      rgba(10, 22, 40, 0.35) 70%,
      rgba(10, 22, 40, 0.55) 100%
    ),
    var(--hero-image) center / contain no-repeat;
}

@media (max-width: 640px) {
  .hero {
    min-height: 55vh;
  }
}

.hero__inner {
  max-width: 40rem;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-sky);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero__lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.5;
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.92);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-orange);
  color: #1a1a1a;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-orange-hover);
  color: #0f0f0f;
}

.btn--secondary {
  background: var(--color-blue);
  color: var(--color-white);
}

/* Sections */
section {
  padding: clamp(3.5rem, 7vw, 5rem) clamp(1.25rem, 4vw, 2rem);
}

.section--light {
  background: var(--color-surface-elevated);
}

.section--dark {
  background: linear-gradient(180deg, var(--color-blue-dark) 0%, var(--color-blue-deep) 100%);
  color: var(--color-white);
}

.section--dark .section__eyebrow {
  color: var(--color-sky);
}

.section--dark h2,
.section--dark p {
  color: inherit;
}

.section--dark .text-muted {
  color: rgba(255, 255, 255, 0.85);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
}

.section__eyebrow {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-blue);
  font-weight: 600;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  font-weight: 700;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section--dark h2 {
  color: #ffffff;
}

.text-muted {
  color: var(--color-text-muted);
  max-width: 40rem;
}

/* Services — alternating card + image rows */
.services__list {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 3.5vw, 3rem);
}

.service-row {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: stretch;
}

/* Even rows: image on the left, card on the right */
.service-row--reverse {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.service-row--reverse .service-card {
  order: 2;
}

.service-row--reverse .service-row__media {
  order: 1;
}

.service-row__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.service-row__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-row__media--fit img {
  aspect-ratio: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.service-row:hover .service-row__media img {
  transform: scale(1.03);
}

.service-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: var(--color-surface-elevated);
  border: 1px solid rgba(30, 58, 95, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(74, 144, 226, 0.3);
}

.section--dark .service-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.section--dark .service-card p {
  color: rgba(255, 255, 255, 0.9);
}

.section--dark .service-card h3 {
  color: var(--color-white);
}

.service-card__icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.5rem;
  color: var(--color-blue);
}

.section--dark .service-card__icon {
  color: var(--color-sky);
}

.service-card h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.service-card p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Mobile: stack card on top, image below, no alternating */
@media (max-width: 720px) {
  .service-row,
  .service-row--reverse {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-row--reverse .service-card,
  .service-row--reverse .service-row__media {
    order: initial;
  }

  .service-row__media img {
    aspect-ratio: 4 / 3;
  }

  .service-row__media--fit img {
    aspect-ratio: auto;
  }
}

/* Portfolio — cards on home */
.portfolio-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-surface-elevated);
  border: 1px solid rgba(30, 58, 95, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.15s;
}

.portfolio-card:hover {
  text-decoration: none;
  box-shadow: var(--shadow-md);
  border-color: rgba(74, 144, 226, 0.35);
  transform: translateY(-2px);
}

.portfolio-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-surface);
}

.portfolio-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-card__media img {
  transform: scale(1.04);
}

.portfolio-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.5rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
}

.portfolio-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-blue);
}

.portfolio-card__title {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.portfolio-card__excerpt {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  flex: 1;
}

.portfolio-card__cta {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-blue);
}

.portfolio-card:hover .portfolio-card__cta {
  color: var(--color-orange);
}

/* Portfolio — project detail page */
.page-header {
  padding: clamp(2rem, 5vw, 3rem) clamp(1.25rem, 4vw, 2rem) 0;
  background: var(--color-surface-elevated);
}

.page-header .container {
  max-width: var(--max);
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  font-weight: 500;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb__sep {
  color: var(--color-silver);
  user-select: none;
}

.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-header__lead {
  max-width: 42rem;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1.25rem;
}

.page-header__tag {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-blue-deep);
  background: rgba(74, 144, 226, 0.12);
  border-radius: 999px;
}

.case-study {
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 2rem)
    clamp(3.5rem, 7vw, 5rem);
  background: var(--color-surface);
}

.case-study .container {
  max-width: var(--max);
  margin: 0 auto;
}

.case-study__content {
  max-width: 42rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.case-study__content h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin: 2rem 0 0.75rem;
}

.case-study__content h2:first-child {
  margin-top: 0;
}

.case-study__content h3 {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
  color: var(--color-text);
}

.case-study__content p {
  margin: 0 0 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.case-study__meta {
  margin: 0 0 1.5rem;
  line-height: 1.65;
}

.case-study__content ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.case-study__gallery {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.case-study__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-sm);
}

.case-study__figure a.glightbox {
  display: block;
  cursor: zoom-in;
  text-decoration: none;
  color: inherit;
}

.case-study__figure a.glightbox:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
}

.case-study__figure a.glightbox img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.case-study__figure a.glightbox:hover img {
  opacity: 0.92;
}

.case-study__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.case-study__figure--wide {
  grid-column: 1 / -1;
}

.case-study__figure--wide img {
  aspect-ratio: 16 / 9;
}

.case-study__actions {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* About */
.about {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4vw, 3rem);
}

.about__block h2 {
  margin-bottom: 1rem;
}

.about__block h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.about__block p {
  margin: 0;
  line-height: 1.7;
}

.about__block:not(:last-child) .text-muted {
  max-width: none;
}

.about__strategies {
  margin: 1.25rem 0 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about__strategies li {
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.about__strategies strong {
  color: #ffffff;
  font-weight: 600;
}

/* Why choose us */
.why .text-muted {
  max-width: none;
  margin: 0;
  line-height: 1.7;
}

/* Benefits */
.benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.benefit-row {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  font-size: 1.05rem;
  font-weight: 500;
}

.benefit-row svg {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-orange);
  margin-top: 0.15rem;
}

/* Fire / ice strip */
.motif-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin: 0 auto 1.5rem;
  max-width: 8rem;
}

.motif-strip::before,
.motif-strip::after {
  content: "";
  flex: 1;
  height: 2px;
  max-width: 2.5rem;
  border-radius: 1px;
}

.motif-strip::before {
  background: linear-gradient(90deg, transparent, var(--color-orange));
}

.motif-strip::after {
  background: linear-gradient(90deg, var(--color-blue), transparent);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

.contact-details a {
  font-weight: 600;
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.section--dark .form-group label {
  color: var(--color-white);
}

input,
textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid rgba(30, 58, 95, 0.2);
  border-radius: 8px;
  background: var(--color-white);
}

.section--dark input,
.section--dark textarea {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text);
}

input:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.35);
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

.section--dark .form-note {
  color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.site-footer {
  background: #0a1628;
  color: rgba(255, 255, 255, 0.85);
  padding: 1.5rem clamp(1.25rem, 4vw, 2rem) 2.5rem;
  overflow: hidden;
}

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

.site-footer__row {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

@media (min-width: 700px) {
  .site-footer__row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.site-footer__logo:hover {
  opacity: 0.95;
}

.site-footer__logo .site-logo {
  height: calc(var(--footer-logo-h) * var(--logo-zoom));
  margin-block: calc(var(--footer-logo-h) * (1 - var(--logo-zoom)) / 2);
  width: auto;
  max-width: var(--footer-logo-w);
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav a {
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
}

@media (max-width: 640px) {
  :root {
    --header-h: 3.9rem;
    --header-logo-w: min(62vw, 12rem);
    --footer-logo-h: 2.15rem;
    --footer-logo-w: min(64vw, 9rem);
  }
}