/* builtbybasics - shared page themes (fixed per page, no toggle) */

:root,
[data-theme="dark"] {
  --page-bg: #09090b;
  --page-bg-alt: #18181b;
  --page-text: #fafafa;
  --page-text-strong: #ffffff;
  --page-text-muted: #71717a;
  --page-text-subtle: #a1a1aa;
  --page-border: #27272a;
  --header-bg: rgba(9, 9, 11, 0.9);
  --header-bg-scrolled: rgba(9, 9, 11, 0.92);
  --header-border: #27272a;
  --footer-bg: #09090b;
  --nav-link: #a1a1aa;
  --nav-link-hover: #ffffff;
  --nav-link-active: #ffffff;
  --logo-color: #ffffff;
  --selection-bg: #2563eb;
  --selection-text: #ffffff;
}

[data-theme="light"] {
  --page-bg: #f9f9f9;
  --page-bg-alt: #ffffff;
  --page-text: #18181b;
  --page-text-strong: #09090b;
  --page-text-muted: #a1a1aa;
  --page-text-subtle: #71717a;
  --page-border: #e4e4e7;
  --header-bg: rgba(255, 255, 255, 0.92);
  --header-bg-scrolled: rgba(255, 255, 255, 0.97);
  --header-border: #e4e4e7;
  --footer-bg: #ffffff;
  --nav-link: #71717a;
  --nav-link-hover: #09090b;
  --nav-link-active: #09090b;
  --logo-color: #09090b;
  --selection-bg: #2563eb;
  --selection-text: #ffffff;
}

body {
  background-color: var(--page-bg);
  color: var(--page-text);
}

body ::selection {
  background-color: var(--selection-bg);
  color: var(--selection-text);
}

/* ── Site header ── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background-color: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.nav-scrolled {
  background-color: var(--header-bg-scrolled);
  border-bottom-color: var(--header-border);
}

/* Index homepage: transparent over hero until scroll */
.site-header--overlay {
  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

.site-header--overlay.nav-scrolled {
  background-color: rgba(9, 9, 11, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgb(39 39 42);
}

.site-header__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 1.25rem;
}

@media (min-width: 640px) {
  .site-header__nav {
    padding: 1rem 2rem;
  }
}

@media (min-width: 1024px) {
  .site-header__nav {
    padding: 1rem 2.5rem;
  }
}

.site-header__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

@media (max-width: 639px) {
  .site-header__nav {
    justify-content: flex-start;
  }

  .site-header__nav > .logo {
    flex-shrink: 0;
  }

  .site-header__links {
    margin-left: auto;
    flex-shrink: 1;
    min-width: 0;
    justify-content: flex-end;
    gap: 0.75rem;
  }

  .site-nav__link {
    font-size: 0.55rem;
    letter-spacing: 0.05em;
    white-space: nowrap;
  }

  .site-nav__cta {
    flex-shrink: 0;
    padding: 0.4rem 0.625rem;
    font-size: 0.55rem;
  }
}

@media (min-width: 640px) {
  .site-header__links {
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .site-header__links {
    gap: 2.5rem;
  }
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--nav-link);
  transition: color 0.2s ease;
}

@media (min-width: 480px) {
  .site-nav__link {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
  }
}

@media (min-width: 640px) {
  .site-nav__link {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
  }
}

.site-nav__link:hover {
  color: var(--nav-link-hover);
}

.site-nav__link--active {
  color: var(--nav-link-active);
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  border-radius: 9999px;
  background-color: #2563eb;
  padding: 0.4rem 0.875rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.25);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 480px) {
  .site-nav__cta {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    min-height: 2.5rem;
  }
}

@media (min-width: 640px) {
  .site-nav__cta {
    padding: 0.75rem 1.75rem;
    font-size: 0.875rem;
    min-height: 2.75rem;
  }
}

.site-nav__cta:hover {
  background-color: #3b82f6;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.35);
}

/* ── Logo theme override ── */

[data-theme="light"] .logo {
  color: var(--logo-color);
}

[data-theme="light"] .logo:hover {
  color: var(--logo-color);
}

/* ── Site footer ── */

.site-footer {
  border-top: 1px solid var(--page-border);
  background-color: var(--footer-bg);
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  text-align: center;
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
    flex-wrap: wrap;
    padding-left: 2rem;
    padding-right: 2rem;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .site-footer__inner {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

.site-footer__text {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--page-text-muted);
}

.site-footer__text--plain {
  font-family: "Inter", system-ui, sans-serif;
  text-transform: none;
  letter-spacing: normal;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.5rem;
}

.site-footer__nav-link {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--page-text-muted);
  transition: color 0.2s ease;
}

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

.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.instagram-link::before {
  content: "";
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  background-color: currentColor;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M7 2h10a5 5 0 0 1 5 5v10a5 5 0 0 1-5 5H7a5 5 0 0 1-5-5V7a5 5 0 0 1 5-5zm0 2a3 3 0 0 0-3 3v10a3 3 0 0 0 3 3h10a3 3 0 0 0 3-3V7a3 3 0 0 0-3-3H7zm5 3.5A5.5 5.5 0 1 1 6.5 13 5.5 5.5 0 0 1 12 7.5zm0 2A3.5 3.5 0 1 0 15.5 13 3.5 3.5 0 0 0 12 9.5zM17.25 6a1.25 1.25 0 1 1-1.25 1.25A1.25 1.25 0 0 1 17.25 6z'/%3E%3C/svg%3E");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M7 2h10a5 5 0 0 1 5 5v10a5 5 0 0 1-5 5H7a5 5 0 0 1-5-5V7a5 5 0 0 1 5-5zm0 2a3 3 0 0 0-3 3v10a3 3 0 0 0 3 3h10a3 3 0 0 0 3-3V7a3 3 0 0 0-3-3H7zm5 3.5A5.5 5.5 0 1 1 6.5 13 5.5 5.5 0 0 1 12 7.5zm0 2A3.5 3.5 0 1 0 15.5 13 3.5 3.5 0 0 0 12 9.5zM17.25 6a1.25 1.25 0 1 1-1.25 1.25A1.25 1.25 0 0 1 17.25 6z'/%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.site-footer__instagram {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--page-text-muted);
  opacity: 0.9;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--page-border);
  border-radius: 2px;
}

@media (min-width: 640px) {
  .site-footer__instagram {
    margin-left: auto;
  }
}

.site-footer__instagram:hover {
  opacity: 1;
  color: var(--page-text);
  border-color: color-mix(in srgb, var(--page-text-muted) 45%, transparent);
}

/* ── Heading wrap utilities ── */

.heading-balanced {
  text-wrap: balance;
}

.heading-nowrap-tail {
  white-space: nowrap;
}

.heading-split__line {
  display: inline;
}

@media (max-width: 1023px) {
  .heading-split {
    font-size: clamp(0.8125rem, 3.6vw, 1.375rem);
  }

  .heading-split__line {
    display: block;
    white-space: nowrap;
    letter-spacing: 0.04em;
  }
}

@media (min-width: 1024px) {
  .heading-split {
    font-size: 1.875rem;
  }

  .heading-split__line + .heading-split__line::before {
    content: " ";
  }
}