:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-muted: #555555;
  --color-line: #111111;
  --color-soft-line: #d8d8d8;
  --color-accent: #f26a21;
  --font-body: Arial, Helvetica, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  --shell-width-large: 75vw;
  --shell-width-ipad: 90vw;
  --shell-width-small: 95vw;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

img,
svg {
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
  padding: 0.5rem 0.75rem;
  background: var(--color-text);
  color: var(--color-bg);
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: var(--shell-width-large);
  max-width: 1180px;
  min-height: calc(100vh - 3rem);
  margin: 1.5rem auto;
  border: 1px solid var(--color-line);
  padding: clamp(1.25rem, 3vw, 3.5rem);
  display: flex;
  flex-direction: column;
  background: #fff;
}

.site-header {
  text-align: center;
}

.primary-nav {
  position: relative;
  display: inline-block;
  margin-inline: auto;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--color-line);
  background: #fff;
  color: var(--color-text);
  padding: 0.55rem 1rem;
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.nav-toggle-mark {
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-mark {
  transform: rotate(180deg);
}

.nav-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  width: min(16rem, 80vw);
  margin: 0;
  padding: 0.5rem;
  list-style: none;
  border: 1px solid var(--color-line);
  background: #fff;
  box-shadow: 0 0.8rem 1.8rem rgba(0, 0, 0, 0.08);
  display: none;
}

.nav-menu.is-open {
  display: block;
}

.nav-menu a {
  display: block;
  padding: 0.65rem 0.75rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.nav-menu a[aria-current="page"] {
  color: var(--color-accent);
}

.logo-link {
  display: inline-block;
  margin-top: 2rem;
  margin-bottom: 2rem;
  text-decoration: none;
}

.logo-mark {
  display: block;
  text-align: center;
}

.logo-mark img {
  min-width: 90px;
}

.logo-subtitle {
  margin: 0.55rem 0 0;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.site-content {
  border-top: 1px solid var(--color-line);
  padding-top: clamp(1.75rem, 4vw, 3.5rem);
  flex: 1;
}

.hero,
.content-section {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  font-weight: 400;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.8rem);
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

p {
  margin: 1rem 0 0;
}

.intro {
  max-width: 680px;
  margin-inline: auto;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-block;
  border: 1px solid var(--color-line);
  padding: 0.75rem 1.1rem;
  text-decoration: none;
  background: #fff;
  color: var(--color-text);
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  cursor: pointer;
}

.button-primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #fff;
  color: var(--color-accent);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--color-accent);
}

.feature-grid,
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.feature-grid article,
.portfolio-card {
  border: 1px solid var(--color-soft-line);
  padding: clamp(1rem, 2vw, 1.5rem);
  background: #fff;
}

.feature-grid article:hover,
.portfolio-card:hover {
  border-color: var(--color-accent);
}

.placeholder-art {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  margin-bottom: 1rem;
  border: 1px solid var(--color-line);
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-accent);
}

/* About page */

.about-section {
  max-width: 940px;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  text-align: left;
}

.about-copy p:first-child {
  margin-top: 0;
}

.about-photo-placeholder {
  display: grid;
  place-items: center;
  min-height: 360px;
  border: 1px solid var(--color-line);
  background:
    linear-gradient(135deg, transparent 49.5%, var(--color-soft-line) 50%, transparent 50.5%),
    linear-gradient(45deg, transparent 49.5%, var(--color-soft-line) 50%, transparent 50.5%);
  color: var(--color-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
}

.about-photo-placeholder span {
  background: #fff;
  padding: 0.5rem 0.75rem;
}

.about-photo {
  margin: 0;
}

.about-photo img {
  display: block;
  width: 100%;
  border: 1px solid var(--color-line);
}

/* Contact page */

.contact-form {
  display: grid;
  gap: 0.75rem;
  margin: 2rem auto 0;
  max-width: 560px;
  text-align: left;
}

.contact-form label {
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  padding: 0.75rem;
  font: inherit;
  background: #fff;
  color: var(--color-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.contact-form button {
  justify-self: start;
  margin-top: 0.5rem;
}

/* Footer */

.site-footer {
  margin-top: clamp(2rem, 6vw, 4.5rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-line);
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.secondary-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1rem;
  margin-top: 0.75rem;
}

.secondary-nav a {
  text-decoration: none;
}

.secondary-nav a:hover,
.secondary-nav a:focus-visible {
  text-decoration: underline;
}

/* Tablet */

@media (max-width: 1180px) {
  .page-shell {
    width: var(--shell-width-ipad);
  }

  .feature-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid article,
  .portfolio-card {
    max-width: 680px;
    width: 100%;
    margin-inline: auto;
  }
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
  }

  .about-photo-placeholder,
  .about-photo {
    max-width: 520px;
    width: 100%;
    margin-inline: auto;
  }
}

/* Small screens */

@media (max-width: 640px) {
  .page-shell {
    width: var(--shell-width-small);
    min-height: calc(100vh - 1rem);
    margin-block: 0.5rem;
    padding: 1rem;
  }

  .nav-menu {
    width: min(18rem, 88vw);
  }

  .site-content {
    padding-top: 1.5rem;
  }

  .hero,
  .content-section {
    text-align: left;
  }

  .button-row {
    justify-content: flex-start;
  }

  .button {
    width: 100%;
    text-align: center;
  }

  .contact-form button {
    justify-self: stretch;
  }

  .secondary-nav {
    flex-direction: column;
  }

  .logo-mark img {
    width: 35% !important;
  }

  .about-layout {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .about-photo-placeholder {
    min-height: 280px;
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}