.grayscale-page {
  --grayscale-accent: #64a19d;
  --grayscale-black: #000;
  --grayscale-white: #fff;
  overflow: clip;
  background: #fff;
  color: #212529;
  font-family: "Nunito", sans-serif;
  letter-spacing: 0.0625em;
}

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

.grayscale-page img {
  display: block;
  width: 100%;
}

.grayscale-page h1,
.grayscale-page h2,
.grayscale-page p {
  font-family: inherit;
  letter-spacing: inherit;
}

.grayscale-container {
  width: min(100% - 3rem, 1320px);
  margin-inline: auto;
}

.grayscale-narrow {
  max-width: 880px;
}

.grayscale-centred {
  text-align: center;
}

.grayscale-nav {
  position: sticky;
  top: 88px;
  z-index: 40;
  min-height: 56px;
  background: #fff;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.grayscale-nav-inner {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1.5rem;
}

.grayscale-nav-links a {
  color: #000;
  font-weight: 700;
  text-decoration: none;
}

.grayscale-nav-links {
  display: flex;
  align-items: stretch;
}

.grayscale-nav-links a {
  padding: 1.15rem 1.25rem 0.95rem;
  border-bottom: 0.25rem solid transparent;
  color: rgba(0, 0, 0, 0.62);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.grayscale-nav-links a:hover,
.grayscale-nav-links a.is-active {
  border-bottom-color: var(--grayscale-accent);
  color: var(--grayscale-accent);
}

.grayscale-menu-toggle {
  display: none;
}

.grayscale-masthead {
  min-height: calc(100vh - 144px);
  padding: 9rem 0;
  display: grid;
  place-items: center;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7) 75%, #000),
    url("/public/img/grayscale/bg-masthead.jpg") center / cover no-repeat;
}

.grayscale-hero-content {
  text-align: center;
}

.grayscale-masthead h1 {
  max-width: none;
  margin: 0;
  background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0));
  background-clip: text;
  color: transparent;
  font-family: "Varela Round", sans-serif;
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 400;
  letter-spacing: clamp(0.25rem, 1.1vw, 0.8rem);
  line-height: 1;
  text-transform: uppercase;
}

.grayscale-masthead p {
  max-width: 32rem;
  margin: 1rem auto 3rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: clamp(1rem, 2vw, 1.25rem);
  letter-spacing: normal;
}

.grayscale-button,
.grayscale-signup-form button {
  display: inline-flex;
  min-height: 58px;
  padding: 1rem 2rem;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0.375rem;
  background: var(--grayscale-accent);
  color: #fff;
  font-family: "Varela Round", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.15rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 0.2s ease;
}

.grayscale-button:hover {
  background: #558985;
  color: #fff;
}

.grayscale-about {
  padding-top: 10rem;
  background: linear-gradient(to bottom, #000, rgba(0, 0, 0, 0.9) 75%, rgba(0, 0, 0, 0.8));
}

.grayscale-about h2,
.grayscale-signup h2 {
  margin-bottom: 1.5rem;
  color: #fff;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: normal;
}

.grayscale-about-copy {
  margin-bottom: 5rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: normal;
}

.grayscale-about-copy p {
  margin-bottom: 0;
}

.grayscale-about a {
  color: var(--grayscale-accent);
}

.grayscale-about img {
  max-width: 100%;
  margin-inline: auto;
}

.grayscale-projects {
  padding: 10rem 0;
  background: #f8f9fa;
}

.grayscale-featured-project {
  margin-bottom: 5rem;
  display: grid;
  grid-template-columns: 7fr 5fr;
  align-items: center;
}

.grayscale-featured-copy {
  padding: 0 0 0 2rem;
  border-left: 0.5rem solid var(--grayscale-accent);
}

.grayscale-projects h2 {
  margin-bottom: 0.5rem;
  color: #212529;
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: normal;
}

.grayscale-projects p {
  margin: 0;
  color: rgba(0, 0, 0, 0.5);
  letter-spacing: normal;
}

.grayscale-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #000;
}

.grayscale-project-two img {
  grid-column: 2;
}

.grayscale-project-two .grayscale-project-copy {
  grid-column: 1;
  grid-row: 1;
}

.grayscale-project-copy {
  min-height: 100%;
  padding: clamp(3rem, 7vw, 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.grayscale-project-copy h2 {
  color: #fff;
}

.grayscale-project-copy p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.grayscale-signup {
  padding: 10rem 0;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5) 75%, #000),
    url("/public/img/grayscale/bg-signup.jpg") center / cover no-repeat;
}

.grayscale-plane {
  display: block;
  margin-bottom: 0.6rem;
  color: #fff;
  font-size: 2rem;
  transform: rotate(-25deg);
}

.grayscale-signup-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
}

.grayscale-signup-form input {
  min-height: 58px;
  padding: 1rem 2rem;
  border: 0;
  border-radius: 0.375rem;
  box-shadow: 0 0.1875rem 0.1875rem rgba(0, 0, 0, 0.1);
  font-family: "Varela Round", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.15rem;
  text-transform: uppercase;
}

.grayscale-signup-form button[disabled] {
  cursor: not-allowed;
  opacity: 0.65;
}

.grayscale-contact {
  padding-top: 5rem;
  background: #000;
}

.grayscale-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grayscale-contact-card {
  padding: 2.5rem 1.5rem;
  border-bottom: 0.25rem solid var(--grayscale-accent);
  border-radius: 0.375rem;
  background: #fff;
  text-align: center;
}

.grayscale-contact-card > span {
  color: var(--grayscale-accent);
  font-size: 1.25rem;
}

.grayscale-contact-card h2 {
  margin: 0.8rem 0 0;
  color: #212529;
  font-family: "Varela Round", sans-serif;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15rem;
  text-transform: uppercase;
}

.grayscale-contact-card hr {
  width: 3rem;
  margin: 1.5rem auto;
  border: 0;
  border-top: 0.25rem solid var(--grayscale-accent);
}

.grayscale-contact-card p {
  margin: 0;
  color: rgba(0, 0, 0, 0.5);
  font-size: 0.875rem;
  letter-spacing: normal;
}

.grayscale-contact-card a {
  color: var(--grayscale-accent);
}

.grayscale-social {
  margin-top: 5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.grayscale-social a {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  font-weight: 800;
  text-decoration: none;
}

.grayscale-social a:hover {
  color: rgba(255, 255, 255, 0.75);
}

.grayscale-template-footer {
  padding: 5rem 0;
  background: #000;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .grayscale-featured-project,
  .grayscale-project {
    grid-template-columns: 1fr;
  }

  .grayscale-featured-copy {
    padding: 2rem;
    border-left: 0;
    text-align: center;
  }

  .grayscale-project-two img,
  .grayscale-project-two .grayscale-project-copy {
    grid-column: 1;
  }

  .grayscale-project-two img {
    grid-row: 1;
  }

  .grayscale-project-two .grayscale-project-copy {
    grid-row: 2;
  }

  .grayscale-contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .grayscale-container {
    width: min(100% - 2rem, 1320px);
  }

  .grayscale-nav {
    top: 78px;
  }

  .grayscale-menu-toggle {
    padding: 0.65rem 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--grayscale-accent);
    border-radius: 0.25rem;
    background: transparent;
    color: var(--grayscale-accent);
    font: 700 0.8rem "Nunito", sans-serif;
    text-transform: uppercase;
  }

  .grayscale-menu-icon,
  .grayscale-menu-icon::before,
  .grayscale-menu-icon::after {
    width: 1rem;
    height: 2px;
    display: block;
    background: currentColor;
  }

  .grayscale-menu-icon {
    position: relative;
  }

  .grayscale-menu-icon::before,
  .grayscale-menu-icon::after {
    position: absolute;
    left: 0;
    content: "";
  }

  .grayscale-menu-icon::before { top: -5px; }
  .grayscale-menu-icon::after { top: 5px; }

  .grayscale-nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    padding: 0.5rem 1rem 1rem;
    display: none;
    flex-direction: column;
    background: #fff;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  }

  .grayscale-nav.is-open .grayscale-nav-links {
    display: flex;
  }

  .grayscale-nav-links a {
    padding: 0.75rem 0;
  }

  .grayscale-masthead {
    min-height: 35rem;
    padding: 7rem 0;
  }

  .grayscale-about,
  .grayscale-projects,
  .grayscale-signup {
    padding-top: 7rem;
  }

  .grayscale-projects,
  .grayscale-signup {
    padding-bottom: 7rem;
  }

  .grayscale-signup-form {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .grayscale-page *,
  .grayscale-page *::before,
  .grayscale-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}