/* Mobile-first layout; grid-based landing. */

:root {
  color-scheme: light;
  /* Grayscale only — replace with brand tokens when ready */
  --color-bg: #f0f0f0;
  --color-surface: #ffffff;
  --color-text: #111111;
  --color-text-muted: #4a4a4a;
  --color-accent: #141414;
  --color-accent-hover: #000000;
  --color-focus: #000000;
  --color-focus-on-dark: #ffffff;
  --color-masthead: #1a1a1a;
  --color-masthead-deep: #0d0d0d;
  --color-masthead-rule: #ffffff;
  --color-masthead-tagline: #b0b0b0;
  --color-nav-active-text: #1a1a1a;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --font-serif: Georgia, "Times New Roman", "DejaVu Serif", serif;
  --shadow-soft: 0 1px 3px rgb(0 0 0 / 0.08);
  --radius: 0.5rem;
  --space-section: clamp(2rem, 8vw, 4rem);
  --space-block: clamp(1rem, 4vw, 1.75rem);
  --content-max: 42rem;
  --masthead-break: 56rem;
  /* In-page section titles (privacy, terms, accreditation, etc.): use .doc-section-heading on h2 */
  /* rem = root size so headings stay clearly above 1rem body / inline labels */
  --font-size-doc-section: 1.3125rem;
  --font-weight-doc-section: 700;
}

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

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

.skip-link:focus {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.5rem 1rem;
  clip: auto;
  overflow: visible;
  white-space: normal;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
}

.skip-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 100%;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Page shell: single column, full viewport minimum height */
.site {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto;
}

/* Bible college masthead */
.masthead {
  background: linear-gradient(
    165deg,
    var(--color-masthead) 0%,
    var(--color-masthead-deep) 100%
  );
  color: #f2f2f2;
  box-shadow: 0 4px 24px rgb(0 0 0 / 0.15);
  border-bottom: 3px solid var(--color-masthead-rule);
}

.masthead__inner {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  padding-block: clamp(1.25rem, 3vw, 1.85rem);
  display: grid;
  gap: 1rem 2rem;
  align-items: start;
}

@media (min-width: 56rem) {
  .masthead__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

.masthead__bar {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  min-width: 0;
}

@media (min-width: 56rem) {
  .masthead__bar {
    grid-column: 1;
    align-self: end;
  }
}

.masthead__menu-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.15rem;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgb(255 255 255 / 0.1);
  border: 1px solid rgb(255 255 255 / 0.22);
  border-radius: 0.45rem;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.masthead__menu-btn:hover {
  background: rgb(255 255 255 / 0.16);
  border-color: rgb(255 255 255 / 0.3);
}

.masthead__menu-btn:focus {
  outline: none;
}

.masthead__menu-btn:focus-visible {
  outline: 2px solid var(--color-focus-on-dark);
  outline-offset: 2px;
}

.masthead__menu-icon {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  box-shadow:
    0 -5px 0 currentColor,
    0 5px 0 currentColor;
}

@media (min-width: 56rem) {
  .masthead__menu-btn {
    display: none;
  }
}

.masthead__nav-panel {
  width: 100%;
  min-width: 0;
}

@media (min-width: 56rem) {
  .masthead__nav-panel {
    grid-column: 2;
    width: auto;
    max-width: min(100%, 38rem);
    align-self: end;
    justify-self: end;
  }

  .masthead__nav-panel[hidden] {
    display: block !important;
  }
}

.masthead__brand {
  min-width: 0;
  padding-bottom: 0.25rem;
}

.masthead__title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  color: #fafafa;
  text-decoration: none;
  letter-spacing: 0.02em;
  display: inline-block;
  text-wrap: balance;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.masthead__title:hover {
  color: #fff;
}

.masthead__tagline {
  margin: 0.45rem 0 0;
  max-width: 36rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-masthead-tagline);
  line-height: 1.4;
}

.masthead__nav {
  width: 100%;
}

.masthead__nav-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  background: rgb(0 0 0 / 0.22);
  border-radius: 0.65rem;
  border: 1px solid rgb(255 255 255 / 0.08);
}

@media (min-width: 56rem) {
  .masthead__nav-list {
    justify-content: flex-end;
  }
}

.masthead__nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.4rem 0.95rem;
  color: rgb(255 255 255 / 0.92);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  text-wrap: balance;
  background: rgb(255 255 255 / 0.06);
  border: 1px solid rgb(255 255 255 / 0.1);
  border-radius: 0.45rem;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.masthead__nav-link:hover {
  color: #fff;
  background: rgb(255 255 255 / 0.14);
  border-color: rgb(255 255 255 / 0.2);
}

.masthead__nav-link.is-active {
  color: var(--color-nav-active-text);
  background: #ffffff;
  border-color: rgb(0 0 0 / 0.35);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.2);
}

.masthead__nav-link:focus {
  outline: none;
}

.masthead__nav-link:focus-visible {
  outline: 2px solid var(--color-focus-on-dark);
  outline-offset: 2px;
}

.site__main {
  padding-block: var(--space-section);
  padding-inline: clamp(1rem, 5vw, 2rem);
}

/* Footer: mobile-first; columns from md */
.site__footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid rgb(0 0 0 / 0.1);
  box-shadow: 0 -1px 0 rgb(0 0 0 / 0.04);
}

.footer__main {
  padding-block: clamp(2rem, 5vw, 3rem);
  padding-inline: clamp(1rem, 5vw, 2rem);
}

.footer__inner {
  max-width: 72rem;
  margin-inline: auto;
}

.footer__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  grid-template-columns: 1fr;
}

@media (min-width: 40rem) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer__col--brand {
    grid-column: 1 / -1;
  }

  .footer__col--contact {
    grid-column: 1 / -1;
  }
}

@media (min-width: 56rem) {
  .footer__grid {
    grid-template-columns:
      minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .footer__col--brand {
    grid-column: auto;
  }

  .footer__col--contact {
    grid-column: auto;
  }
}

.footer__col--brand {
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgb(0 0 0 / 0.08);
}

@media (min-width: 56rem) {
  .footer__col--brand {
    padding-bottom: 0;
    border-bottom: none;
    padding-inline-end: clamp(1rem, 3vw, 2rem);
    border-inline-end: 1px solid rgb(0 0 0 / 0.08);
  }
}

.footer__title {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: inline-block;
  text-wrap: balance;
}

.footer__title:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.footer__title:focus {
  outline: none;
}

.footer__title:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.footer__mission {
  margin: 0.65rem 0 0;
  max-width: 36rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.footer__heading {
  margin: 0 0 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  line-height: 1.35;
  transition: color 0.15s ease;
}

.footer__link:hover {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer__link:focus {
  outline: none;
}

.footer__link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.footer__link.is-active {
  color: var(--color-text);
  font-weight: 600;
}

.footer__address {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  font-style: normal;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer__address-name {
  font-weight: 600;
  color: var(--color-text);
}

.footer__address-line {
  display: block;
}

.footer__address-note {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.footer__inline-link {
  color: var(--color-text-muted);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

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

.footer__inline-link:focus {
  outline: none;
}

.footer__inline-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.footer__bottom {
  padding-block: 1.25rem 1.5rem;
  padding-inline: clamp(1rem, 5vw, 2rem);
  background: rgb(0 0 0 / 0.03);
  border-top: 1px solid rgb(0 0 0 / 0.08);
}

.footer__bottom-inner {
  max-width: 72rem;
  margin-inline: auto;
  text-align: center;
}

@media (min-width: 40rem) {
  .footer__bottom-inner {
    text-align: start;
  }
}

.footer__copyright {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.footer__legal {
  margin-top: 0.65rem;
}

.footer__legal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.85rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: rgb(0 0 0 / 0.55);
}

@media (min-width: 40rem) {
  .footer__legal-list {
    justify-content: flex-start;
  }
}

.footer__legal-list li {
  display: inline-flex;
  align-items: center;
}

.footer__legal-link {
  color: var(--color-text-muted);
  font-weight: 500;
  text-decoration: none;
}

.footer__legal-link:hover {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.footer__legal-link:focus {
  outline: none;
}

.footer__legal-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* Shared content width for inner pages */
.content-block {
  max-width: var(--content-max);
  margin-inline: auto;
}

.content-block p:last-child {
  margin-bottom: 0;
}

.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;
}

.page-shell {
  max-width: var(--content-max);
  margin-inline: auto;
}

.page-shell__title {
  margin: 0 0 var(--space-block);
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
}

.page-shell__lead {
  margin: 0 0 var(--space-block);
  color: var(--color-text-muted);
  line-height: 1.65;
  font-size: 1.05rem;
}

.page-shell > p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.page-shell > p:last-child {
  margin-bottom: 0;
}

.privacy-policy__updated {
  margin: 0 0 var(--space-block);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

h2.doc-section-heading {
  margin: 1.75rem 0 0.4rem;
  font-size: var(--font-size-doc-section);
  font-weight: var(--font-weight-doc-section);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-text);
  font-family: inherit;
}

h2.doc-section-heading:first-of-type {
  margin-top: 1.25rem;
}

.privacy-policy__list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.privacy-policy__list li + li {
  margin-top: 0.35rem;
}

/* Inline labels (a./b./c., list leads): bold at body size; section h2 stays larger + heavier */
.privacy-policy > p:not(.privacy-policy__updated) strong,
.privacy-policy__list strong {
  font-weight: 600;
}

.privacy-policy > p,
.terms-of-service > p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.privacy-policy > p:last-child,
.terms-of-service > p:last-child {
  margin-bottom: 0;
}

.privacy-policy__address,
.terms-of-service__address {
  margin: 0 0 1rem;
  font-style: normal;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-shell__actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

@media (min-width: 30rem) {
  .page-shell__actions {
    grid-template-columns: auto auto;
    align-items: start;
    justify-content: start;
  }
}

.student-login__intro {
  margin: 0 0 var(--space-block);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.student-login__form {
  max-width: 22rem;
}

.student-login__fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.student-login__status {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.student-login__actions {
  margin-top: 0.25rem;
}

.student-login .form-input {
  border: none;
  background-color: rgb(0 0 0 / 0.055);
  box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.04);
}

.student-login .form-input:focus {
  outline: none;
}

.student-login .form-input:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.contact-form__fields {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.form-field {
  margin-bottom: 1.25rem;
}

.form-field:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid rgb(0 0 0 / 0.18);
  border-radius: var(--radius);
}

.form-textarea {
  resize: vertical;
  min-height: 8rem;
}

.form-field--invalid .form-input,
.form-field--invalid .form-textarea {
  border-color: rgb(0 0 0 / 0.5);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.08);
}

.form-field__error {
  margin-bottom: 0.4rem;
  font-size: 0.8125rem;
  color: var(--color-text);
}

.form-field__error .errorlist {
  margin: 0;
  padding-left: 1.1rem;
}

.form-hint {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.form-errors .errorlist {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
}

.form-messages {
  list-style: none;
  margin: 0 0 var(--space-block);
  padding: 0.75rem 1rem;
  background: rgb(0 0 0 / 0.06);
  border-radius: var(--radius);
  border: 1px solid rgb(0 0 0 / 0.08);
}

.form-messages__item {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.form-messages__item + .form-messages__item {
  margin-top: 0.35rem;
}

.contact-form__actions {
  margin-top: 0.75rem;
}

/* Landing: content grid stacks on all breakpoints; room to grow columns later */
.landing {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 4vw, 2rem);
  max-width: 38rem;
  margin-inline: auto;
}

@media (min-width: 48rem) {
  .landing {
    max-width: 44rem;
    gap: 1.75rem;
  }
}

.landing__title {
  margin: 0;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
}

.landing__lead {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 36ch;
  text-wrap: pretty;
}

.landing__actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

@media (min-width: 30rem) {
  .landing__actions {
    grid-template-columns: auto auto;
    align-items: start;
    justify-content: start;
  }
}

/* Primary CTA: link styled as control (navigation, not form submit) */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding-inline: 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  text-decoration: none;
  background-color: var(--color-accent);
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.cta:hover {
  background-color: var(--color-accent-hover);
}

.cta:focus {
  outline: none;
}

.cta:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.cta:active {
  transform: translateY(1px);
}

.cta--secondary {
  color: var(--color-accent);
  background-color: transparent;
  border-color: var(--color-accent);
}

.cta--secondary:hover {
  color: #fff;
  background-color: var(--color-accent);
}

.cta-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  align-self: center;
}

@media (prefers-reduced-motion: reduce) {
  .cta,
  .masthead__nav-link,
  .masthead__menu-btn,
  .footer__link {
    transition: none;
  }

  .cta:active {
    transform: none;
  }
}