/* Resources (SPEC 9.6, reference/21 to 23) */

.res-page {
  position: relative;
  overflow: clip;
  background: var(--blue-950);
}

.res-page__orb--a {
  top: -320px;
  left: -10%;
  width: 820px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgb(var(--teal-dark-rgb) / 0.3) 0%, transparent 65%);
}

.res-page__orb--b {
  top: 200px;
  right: -14%;
  width: 900px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgb(var(--orb-navy-rgb) / 0.55) 0%, transparent 65%);
}

.res-page__orb--c {
  top: 52%;
  left: -18%;
  width: 900px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgb(var(--teal-dark-rgb) / 0.16) 0%, transparent 65%);
}

.res-head {
  position: relative;
  padding: calc(var(--section-pad) + 48px) 0 56px;
}

.res-head__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
}

.res-head__text {
  max-width: 560px;
  margin-top: 24px;
  font-size: var(--fs-lead);
  color: var(--ink-75);
}

.res-head__side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 18px;
  padding-bottom: 8px;
}

/* The chapter numeral, faint, as OakMUN's "XVI" (reference/21) */
.res-head__mark {
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.8;
  color: rgb(var(--ink-rgb) / 0.06);
}

.res-head__pill {
  padding: 10px 22px;
  border: 1px solid rgb(var(--teal-rgb) / 0.35);
  border-radius: var(--radius-pill);
  background: rgb(var(--teal-rgb) / 0.06);
  box-shadow: 0 0 24px rgb(var(--teal-rgb) / 0.12);
  font-size: var(--fs-label);
  font-weight: 800;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--teal);
}

.res-section {
  position: relative;
  padding-block: 64px;
}

/* A thin rule between sections that fades out at both ends */
.res-section + .res-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(1240px, 100% - 2 * var(--gutter));
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgb(var(--teal-rgb) / 0.14), transparent);
}

.res-section--last {
  padding-bottom: var(--section-pad);
}

.res-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.res-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 820px;
}

/* Essential documents: sand-tinted cards with a document icon (reference/23) */
.docs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.doc {
  position: relative;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  border: 1px solid rgb(var(--sand-rgb) / 0.18);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgb(var(--sand-rgb) / 0.1), rgb(var(--navy-rgb) / 0.3));
  transition: transform var(--dur-hover) var(--ease-standard);
}

.doc__icon {
  display: grid;
  flex-shrink: 0;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 1px solid rgb(var(--sand-rgb) / 0.25);
  border-radius: var(--radius-card);
  background: rgb(var(--sand-rgb) / 0.12);
  font-size: 1.5rem;
  color: var(--sand);
}

.doc__body {
  display: grid;
  gap: 8px;
}

.doc__pill {
  justify-self: start;
  padding: 3px 10px;
  border: 1px solid rgb(var(--sand-rgb) / 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
}

.doc__title {
  font-size: var(--fs-card);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.doc__title a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.doc__text {
  font-size: 0.95rem;
  color: var(--ink-75);
}

@media (hover: hover) {
  .doc.is-ready:hover {
    transform: translateY(-4px);
    border-color: rgb(var(--sand-rgb) / 0.4);
  }
}

/* Research links */
.links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.link-card {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: 26px 26px 28px;
  border: var(--border-card);
  border-radius: var(--radius-card);
  background: rgb(var(--card-rgb) / 0.65);
  transition: transform var(--dur-hover) var(--ease-standard);
}

.link-card__domain {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(var(--teal-rgb) / 0.85);
}

.link-card__title {
  font-size: var(--fs-card);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-100);
}

.link-card__text {
  font-size: 0.95rem;
  color: var(--ink-75);
}

@media (hover: hover) {
  .link-card:hover {
    transform: translateY(-4px);
    border-color: rgb(var(--teal-rgb) / 0.35);
  }
}

@media (max-width: 980px) {
  .res-grid,
  .links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .res-grid,
  .res-grid--two,
  .links {
    grid-template-columns: 1fr;
  }

  .res-section {
    padding-block: 48px;
  }

  /* 16 px minimum for running text on phones */
  .doc__text,
  .link-card__text {
    font-size: 1rem;
  }

  .res-head__inner {
    grid-template-columns: 1fr;
  }

  .res-head__side {
    align-items: flex-start;
  }

  .res-head__mark {
    display: none;
  }

  .res-head__pill {
    letter-spacing: 0.14em;
  }
}

/* Numbered section titles (OakMUN XVI's Resources page): a big faint number, the title, and
   a line of what's inside. */
.res-title {
  display: flex;
  align-items: center;
  gap: 4px 22px;
}

/* Drawn as decoration (generated content), since it's a faint ornament, not text to read */
.res-title__num::before {
  content: attr(data-num);
}

.res-title__num {
  flex-shrink: 0;
  font-size: clamp(4rem, 8vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.9;
  color: rgb(var(--teal-rgb) / 0.12);
}

.res-title__name {
  font-size: var(--fs-section);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.res-title__sub {
  margin-top: 8px;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.6;
  text-transform: uppercase;
  color: var(--ink-60);
}

@media (max-width: 768px) {
  .res-title {
    gap: 14px;
  }

  .res-title__num {
    font-size: 3.4rem;
  }
}