/* ============================================================
   Design tokens
   Extracted from designs/Homepage Desktop.html
   ============================================================ */
:root {
  /* Colours */
  --color-bg: #ffffff;
  --color-text-default: #1b1c1c;       /* on-background */
  --color-text-primary: #000000;       /* primary / black */
  --color-text-muted: #4c4546;         /* on-surface-variant */
  --color-text-footer: #78716c;        /* stone-500 */
  --color-text-inverse: #ffffff;
  --color-placeholder: #d6d3d1;        /* stone-300 */
  --color-surface-hover: #fafaf9;      /* stone-50 */
  --color-button-hover: #292524;       /* stone-800 */
  --color-cad-green: #1b4332;
  --color-cad-green-hover: rgba(27, 67, 50, 0.9);

  /* Typography */
  --font-headline: 'Space Grotesk', sans-serif;
  --font-mono: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-icons: 'Material Symbols Outlined', sans-serif;

  /* Spacing scale (from Tailwind config) */
  --space-unit: 4px;
  --space-extension: 6px;
  --space-gutter: 24px;
  --space-margin: 32px;

  /* Layout */
  --container-max: 1440px;
  --border-thin: 0.5pt;
  --border-medium: 1.5pt;
}

/* ============================================================
   Reset + base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-default);
  background: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
  margin: 0;
}
p, ul, ol { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
input, textarea {
  font: inherit;
  color: inherit;
}

/* ============================================================
   Decorative classes (preserved verbatim from design <style>)
   ============================================================ */
.draft-cross {
  position: absolute;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  line-height: 1;
  color: #000;
  z-index: 10;
}
.draft-cross-tl { top: -6px; left: -6px; }
.draft-cross-tr { top: -6px; right: -6px; }
.draft-cross-bl { bottom: -6px; left: -6px; }
.draft-cross-br { bottom: -6px; right: -6px; }

.extension-border { position: relative; }
.extension-border::before {
  content: '';
  position: absolute;
  top: -12px; bottom: -12px; left: 0; width: 0.5pt; background: #000;
}
.extension-border::after {
  content: '';
  position: absolute;
  left: -12px; right: -12px; top: 0; height: 0.5pt; background: #000;
}

.grid-extension {
  position: relative;
  border: 0.5pt solid black;
}
.grid-extension::before {
  content: '';
  position: absolute;
  top: -10px; bottom: -10px; left: 0; width: 0; outline: 0.5pt solid black;
}
.grid-extension::after {
  content: '';
  position: absolute;
  left: -10px; right: -10px; top: 0; height: 0; outline: 0.5pt solid black;
}

.hatch-pattern:hover {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 5px,
    rgba(0, 0, 0, 0.05) 5px,
    rgba(0, 0, 0, 0.05) 10px
  );
}

/* ============================================================
   Site shell
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-bg);
}
.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  border-bottom: var(--border-thin) solid var(--color-text-primary);
  position: relative;
}
.site-header__logo {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
}

.site-main {
  padding: 10rem 2rem 5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  border-left: var(--border-thin) solid var(--color-text-primary);
  border-right: var(--border-thin) solid var(--color-text-primary);
  min-height: 100vh;
  position: relative;
}

.site-footer {
  background: var(--color-bg);
  border-top: var(--border-thin) solid var(--color-text-primary);
  position: relative;
}
.site-footer__inner {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 3rem;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
}
.site-footer__copy {
  font-family: var(--font-headline);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-footer);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: 0.5rem 2rem;
  font-family: var(--font-headline);
  letter-spacing: -0.05em;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: crosshair;
  display: inline-block;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary:hover { background: var(--color-button-hover); }
.btn-primary:active { transform: scale(0.99); }

.btn-feature {
  width: 100%;
  background: var(--color-cad-green);
  color: var(--color-text-inverse);
  padding: 1.25rem 0;
  font-family: var(--font-headline);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  position: relative;
  overflow: hidden;
  transition: background 0.15s ease;
}
.btn-feature:hover { background: var(--color-cad-green-hover); }
.btn-feature__label { position: relative; z-index: 10; }
.btn-feature__hatch {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.btn-feature:hover .btn-feature__hatch { opacity: 1; }

.btn-submit {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: 1.25rem 3.5rem;
  font-family: var(--font-headline);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  align-self: flex-start;
  transition: background 0.15s ease;
}
.btn-submit:hover { background: var(--color-button-hover); }
.btn-submit__icon {
  font-family: var(--font-icons);
  font-size: 18px;
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  transition: transform 0.15s ease;
}
.btn-submit:hover .btn-submit__icon { transform: translateX(0.5rem); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  margin-bottom: 8rem;
  position: relative;
}
.hero__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-gutter);
}
.hero__content {
  grid-column: span 10 / span 10;
}
.hero__headline {
  font-size: 2.5rem;
  font-family: var(--font-headline);
  color: var(--color-text-primary);
  text-transform: uppercase;
  margin-bottom: 3rem;
  max-width: 56rem;
  line-height: 1.25;
}
.hero__subheadline {
  font-size: 1.125rem;
  font-family: var(--font-body);
  color: var(--color-text-muted);
  max-width: 42rem;
  border-left: var(--border-medium) solid var(--color-text-primary);
  padding: 1rem 0 1rem 2.5rem;
}
.hero__sheet-ref {
  position: absolute;
  bottom: -4rem;
  right: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ============================================================
   Features
   ============================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 8rem;
  border-top: var(--border-thin) solid var(--color-text-primary);
  position: relative;
}
.feature-card {
  padding: 3rem;
  position: relative;
  cursor: crosshair;
  transition: background 0.15s ease;
}
.feature-card:not(:last-child) {
  border-right: var(--border-thin) solid var(--color-text-primary);
}
.feature-card:hover { background: var(--color-surface-hover); }
.feature-card__image {
  margin-bottom: 2.5rem;
  aspect-ratio: 1 / 1;
  border: var(--border-thin) solid var(--color-text-primary);
  overflow: hidden;
  background: var(--color-bg);
  position: relative;
}
.feature-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-card__title {
  font-size: 1.5rem;
  font-family: var(--font-headline);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.feature-card__description {
  font-family: var(--font-body);
  margin-bottom: 3rem;
  color: var(--color-text-muted);
  height: 5rem;
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  max-width: 56rem;
  margin: 0 auto 10rem;
  border: var(--border-thin) solid var(--color-text-primary);
  padding: 4rem;
  position: relative;
}
.contact__inner {
  display: flex;
  flex-direction: row;
  gap: 5rem;
}
.contact__intro { width: 33.3333%; }
.contact__form-wrap { width: 66.6667%; }
.contact__heading {
  font-family: var(--font-headline);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.contact__intro-text {
  font-family: var(--font-body);
  color: var(--color-text-muted);
  line-height: 1.625;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.contact-form__field { position: relative; }
.contact-form__label {
  font-family: var(--font-body);
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: 10px;
  position: absolute;
  top: -2rem;
  left: 0;
  letter-spacing: 0.1em;
}
.contact-form__input,
.contact-form__textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: var(--border-thin) solid var(--color-text-primary);
  padding: 0.75rem 0;
  outline: none;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  display: block;
}
.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--color-placeholder);
}
.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--color-text-primary);
}
.contact-form__textarea { resize: none; }

/* ============================================================
   Responsive (max-width breakpoints, desktop-first)
   ============================================================ */
@media (max-width: 1023px) {
  .site-main { padding: 8rem 1.5rem 4rem; }

  .hero { margin-bottom: 6rem; }

  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 6rem;
  }
  .feature-card:nth-child(2n) { border-right: 0; }
  .feature-card:nth-child(-n+2) {
    border-bottom: var(--border-thin) solid var(--color-text-primary);
  }

  .contact__inner { flex-direction: column; gap: 3rem; }
  .contact__intro,
  .contact__form-wrap { width: 100%; }
}

@media (max-width: 767px) {
  .site-header__inner { padding: 1rem 1.25rem; }
  .site-header__logo { font-size: 1rem; }
  .btn-primary { padding: 0.5rem 1.25rem; font-size: 0.75rem; }

  .site-main { padding: 7rem 1rem 3rem; }

  .hero { margin-bottom: 4rem; }
  .hero__headline { font-size: 1.75rem; margin-bottom: 2rem; }
  .hero__subheadline {
    font-size: 1rem;
    padding: 0.75rem 0 0.75rem 1.25rem;
  }
  .hero__sheet-ref { bottom: -2.5rem; }

  .features {
    grid-template-columns: 1fr;
    margin-bottom: 4rem;
  }
  .feature-card { padding: 2rem; }
  .feature-card:not(:last-child) {
    border-right: 0;
    border-bottom: var(--border-thin) solid var(--color-text-primary);
  }
  .feature-card:nth-child(-n+2) { border-bottom: var(--border-thin) solid var(--color-text-primary); }
  .feature-card__description { height: auto; margin-bottom: 2rem; }

  .contact { padding: 2rem; margin-bottom: 5rem; }
  .contact__inner { gap: 2.5rem; }

  .btn-submit {
    padding: 1rem 2rem;
    align-self: stretch;
    justify-content: center;
  }

  .site-footer__inner {
    padding: 1.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
}