/* ========================================
   STMDESKLY
   Reusable components
   ======================================== */

/* 1. Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  min-height: var(--control-height);
  padding: 0 var(--space-4);

  border: 1px solid transparent;
  border-radius: var(--radius-md);

  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;

  transition:
    background-color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
}

.button-primary {
  background: var(--color-brand);
  color: var(--color-brand-contrast);
  border-color: var(--color-brand);
}

.button-primary:hover {
  background: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
}

.button-primary:active {
  background: var(--color-brand-active);
  border-color: var(--color-brand-active);
}

.button-quiet {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.button-quiet:hover {
  background: var(--color-surface-muted);
}

.button-light {
  background: var(--color-surface);
  color: var(--color-brand);
  border-color: var(--color-surface);
}

.button-light:hover {
  background: var(--color-brand-subtle);
  border-color: var(--color-brand-subtle);
}

.button-large {
  min-height: 52px;
  padding-inline: var(--space-5);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* 2. Header */

.site-header {
  position: relative;
  z-index: var(--z-header);
  width: 100%;
  background: var(--color-page);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);

  width: min(
    calc(100% - (var(--page-gutter) * 2)),
    var(--container-wide)
  );

  min-height: var(--header-height);
  margin-inline: auto;
}

/* 3. Brand */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--color-text);
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  flex-shrink: 0;

  border-radius: var(--radius-md);
  background: var(--color-brand);
  color: var(--color-brand-contrast);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.brand-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.04em;
}

/* 4. Desktop navigation */

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}

.main-nav a {
  position: relative;
  padding-block: 8px;

  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);

  transition: color var(--duration-fast) var(--ease-standard);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* 5. Mobile navigation toggle */

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;

  width: 44px;
  height: 44px;

  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.mobile-menu-toggle svg {
  width: 21px;
  height: 21px;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);

  padding: var(--space-3) var(--page-gutter) var(--space-5);

  background: var(--color-page);
  border-top: 1px solid var(--color-border);
}

.mobile-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);

  color: var(--color-text-secondary);
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

.mobile-nav a:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.mobile-nav .button {
  margin-top: var(--space-2);
}

/* 6. Eyebrow labels */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);

  color: var(--color-brand);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-normal);
}

/* 7. Text links */

.text-link,
.text-link-dark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);

  width: fit-content;
  max-width: 100%;

  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-normal);

  transition: color var(--duration-fast) var(--ease-standard);
}

.text-link {
  color: var(--color-brand);
}

.text-link:hover {
  color: var(--color-brand-hover);
}

.text-link-dark {
  color: var(--color-text);
}

.text-link-dark:hover {
  color: var(--color-brand);
}

/* 8. Section headings */

.section-heading {
  max-width: var(--reading-width);
  margin-inline: auto;
  margin-bottom: var(--space-10);
  text-align: center;
}

.section-heading h2 {
  margin-top: var(--space-3);
}

.section-heading p {
  max-width: 560px;
  margin: var(--space-4) auto 0;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

/* 9. Small indicators */

.caption-indicator {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex-shrink: 0;

  border-radius: var(--radius-full);
  background: var(--color-brand);
}

/* 10. Preview browser chrome */

.preview-topbar {
  display: flex;
  align-items: center;
  gap: 7px;

  min-height: 46px;
  padding-inline: var(--space-4);

  background: var(--color-surface-muted);
  border-bottom: 1px solid var(--color-border);
}

.preview-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: var(--color-border-strong);
}

.preview-address {
  min-width: 0;
  margin-left: var(--space-3);
  padding: 5px 10px;

  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);

  font-size: var(--text-xs);
}

/* 11. Avatar */

.preview-avatar {
  display: grid;
  place-items: center;
  flex-shrink: 0;

  width: 48px;
  height: 48px;

  overflow: hidden;
  border-radius: var(--radius-full);
  background: var(--color-brand-soft);
  color: var(--color-brand);

  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
}

.preview-avatar svg {
  width: 24px;
  height: 24px;
}

/* 12. Offering icons */

.offering-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;

  width: 42px;
  height: 42px;

  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-brand);
}

.offering-icon svg {
  width: 20px;
  height: 20px;
}

.offering-icon-one {
  background: var(--color-brand-subtle);
}

.offering-icon-two {
  background: var(--color-surface-muted);
}

/* 13. Step cards */

.step-card {
  min-width: 0;
  padding: var(--space-6);

  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 34px;
  height: 34px;
  margin-bottom: var(--space-5);

  background: var(--color-brand-soft);
  color: var(--color-brand);

  border-radius: var(--radius-md);

  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.step-icon {
  display: grid;
  place-items: center;

  width: 44px;
  height: 44px;
  margin-bottom: var(--space-5);

  color: var(--color-brand);
  background: var(--color-brand-subtle);
  border-radius: var(--radius-md);
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.step-card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* 14. Possibility rows */

.possibility-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);

  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.possibility-row:first-child {
  border-top: 1px solid var(--color-border);
}

.possibility-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  width: 30px;
  height: 30px;

  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);

  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

/* 15. Footer links */

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-links a:hover {
  color: var(--color-text);
}

/* 16. Responsive components */

@media (max-width: 900px) {
  .main-nav {
    gap: var(--space-4);
  }

  .header-inner {
    gap: var(--space-3);
  }
}

@media (max-width: 760px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .header-actions {
    gap: var(--space-2);
  }

  .section-heading {
    margin-bottom: var(--space-7);
    text-align: left;
  }

  .section-heading p {
    margin-inline: 0;
    font-size: var(--text-base);
  }

  .step-card {
    padding: var(--space-5);
  }

  .footer-links {
    gap: var(--space-4);
  }
}

@media (max-width: 420px) {
  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: var(--text-base);
  }

  .header-actions > .button {
    min-height: 40px;
    padding-inline: var(--space-3);
    font-size: var(--text-xs);
  }

  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
  }

  .button-large {
    min-height: 48px;
    padding-inline: var(--space-4);
  }
}