:root {
  --fs-300: 0.9375rem;
  --fs-400: 1.0625rem;
  --fs-500: 1.375rem;
  --fs-600: 1.875rem;
  --fs-700: 2rem;
  --section-space: clamp(3rem, 8vh, 6rem);
  --section-space-first: clamp(1.75rem, 5vh, 3.5rem);

  --ff-body: "IBM Plex Sans", sans-serif;
  --ff-heading: "IBM Plex Mono", monospace;
  --ff-button: "DM Mono", monospace;

  --fw-400: 400;
  --fw-700: 700;
  --fw-900: 900;

  --clr-primary-200: hsla(169, 70%, 95%, 1);
  --clr-primary-300: hsla(169, 100%, 39%, 1);
  --clr-primary-400: hsla(169, 100%, 26%, 1);
  --clr-primary-500: hsla(169, 100%, 16%, 1);
  --clr-primary-600: hsla(0, 0%, 48%, 1);

  --clr-neutral-100: hsla(45, 29%, 97%, 1);
  --clr-neutral-200: hsla(17, 15%, 91%, 1);
  --clr-neutral-300: hsla(0, 0%, 50%, 1);
  --clr-neutral-400: hsla(0, 0%, 40%, 1);
  --clr-neutral-500: hsla(0, 0%, 60%, 1);
  --clr-neutral-900: hsla(0, 0%, 12%, 1);
}

@media (min-width: 35em) {
  :root {
    --fs-300: 1rem;
    --fs-400: 1.125rem;
    --fs-500: 1.5rem;
    --fs-600: 2.25rem;
    --fs-700: 3rem;
  }
}

/* //////////////////////
  RESET - source: https://piccalil.li/blog/a-modern-css-reset
  /////////////////////// */

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

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul:where([role="list"]),
ol:where([role="list"]) {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
textarea,
select {
  font: inherit;
}

button,
.btn {
  font-family: var(--ff-button);
  font-weight: var(--fw-700);
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* //////////////////////
  General styling
  /////////////////////// */

body {
  font-family: var(--ff-body);
  font-size: var(--fs-400);
  color: var(--clr-neutral-900);
}

h1,
h2,
h3 {
  font-family: var(--ff-heading);
  font-weight: var(--fw-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

strong {
  font-weight: var(--fw-700);
}

section,
.section {
  padding: var(--section-space) 0;
}

/* //////////////////////
  Utility Classes
  /////////////////////// */

/* select all direct childen of .flow
   and add margin to the top for proper
   spacing */

.flow > *:where(:not(:first-child)) {
  margin-top: var(--flow-spacer, 1em);
}

.container {
  margin-inline: auto;
  padding-inline: 1.5em;
  max-width: 72rem;
}

.container--narrow {
  max-width: 65rem;
}

.flex-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap, 1em);
}

.text-center {
  text-align: center;
}

/* typgraphy */

.article-title,
.section-title {
  color: var(--clr-primary-500);
}

.article-title {
  font-size: var(--fs-700);
}

.section-title {
  font-size: var(--fs-600);
}

/* //////////////////////
  Header
  /////////////////////// */

.page-header {
  padding: 1em 0;
}

.page-header + section,
.page-header + .section {
  padding-top: var(--section-space-first);
}

.site-branding {
  display: flex;
  flex-direction: row;
  align-items: center; /* Aligns image and text vertically */
  gap: 1rem; /* Optional spacing between logo and text */
}

.site-branding img {
  display: block;
  height: auto;
  width: 4rem;
}

.site-branding .site-title {
  margin: 0;
  font-family: var(--ff-heading);
  font-size: 4rem; /* Or your preferred size */
  font-style: italic;
  text-transform: lowercase;
  text-decoration: none;
  font-weight: var(--fw-400);
  color: var(--clr-primary-600); /* Or replace with desired color */
  text-shadow: none;
  transition: all 0.3s ease;
}

.site-branding:hover .site-title:hover {
  color: var(--clr-primary-500);
  text-shadow: hsla(0, 0%, 40%, 1) 0 1px 2px rgba(0, 0, 0, 0.15);
}

.site-title-link {
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.site-title-link:hover,
.site-title-link:focus {
  text-decoration: none;
  color: var(--clr-primary-500);
  transform: translateY(-2px);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.page-header__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-list {
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--clr-primary-600);
  text-decoration: none;
}

.nav-list a:focus,
.nav-list a:hover {
  color: var(--clr-primary-400);
  text-decoration: underline;
}

@media (max-width: 600px) {
  .page-header {
    padding: 0.75rem 0 0.5rem;
  }

  .container.hero__layout {
    gap: 1.2rem;
  }

  .hero__content {
    --flow-spacer: 0.65rem;
  }

  .hero__body {
    --flow-spacer: 0.75rem;
  }

  .hero__copy {
    gap: 0.5rem;
  }

  .page-header__content {
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
  }

  .site-branding {
    max-width: none;
    gap: 0.6rem; /* Optional spacing between logo and text */
    justify-content: center;
  }

  .site-branding img {
    width: 3rem;
  }

  .site-branding .site-title {
    font-size: clamp(2.45rem, 9.6vw, 3.3rem); /* Or your preferred size */
    line-height: 0.95;
    letter-spacing: -0.045em;
    white-space: nowrap;
  }

  .page-header nav {
    width: 100%;
  }

  .nav-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1rem; /* space between links */
    line-height: 1.2; /* control line height */
  }

  .nav-list a {
    display: inline-block;
    padding-block: 0.2rem;
  }

  .page-header + section,
  .page-header + .section {
    padding-top: clamp(1.25rem, 4vh, 2rem);
  }
}

/* //////////////////////
  Footer
  /////////////////////// */

.site-footer {
  --logo-color: currentColor;
  padding: 2em 0;
  color: var(--clr-neutral-100);
  background-color: var(--clr-primary-500);
  text-align: center;
}

/* //////////////////////
  Homepage
  /////////////////////// */

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 3em;
}

.hero__copy {
  display: grid;
  gap: 1rem;
}

.hero__body {
  --flow-spacer: 1em;
}

.hero__media {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: var(--clr-neutral-200);
}

.hero__media--desktop {
  display: none;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transition: opacity 220ms ease;
}

.hero__image.is-loaded {
  opacity: 1;
}

@media (min-width: 45em) {
  .hero__layout {
    grid-template-columns: 1fr 0.6fr;
    gap: 3em;
  }

  .hero__copy {
    grid-column: 1;
    gap: 1rem;
  }

  .hero__media {
    grid-column: 2;
  }

  .hero__media--mobile {
    display: none;
  }

  .hero__media--desktop {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__image {
    transition: none;
  }
}

.featured-articles {
  background-color: var(--clr-primary-200);
  border-top: 1px solid var(--clr-primary-300);
}

.articles__list {
  --flow-spacer: 3rem;
  margin: 2.5rem 0;
}

/* //////////////////////
  Individual article page
  /////////////////////// */

.main-article {
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.main-article__figure figcaption {
  margin: 1rem 0;
  font-size: var(--fs-300);
  opacity: 0.9;
}

/* //////////////////////
  Article snippets
  /////////////////////// */

.snippet {
  display: grid;
  gap: 1em;
  grid-template-areas:
    "image"
    "title"
    "meta"
    "body"
    "button";
}

.snippet__image {
  grid-area: image;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.snippet__title {
  grid-area: title;
}
.snippet__meta {
  grid-area: meta;
  color: var(--clr-neutral-300);
}

.snippet__meta span {
  color: var(--clr-neutral-900);
}

.tag-link {
  color: var(--clr-neutral-900);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.tag-link:hover,
.tag-link:focus-visible {
  color: var(--clr-primary-400);
}

.snippet .btn {
  grid-area: button;
}

.snippet__title {
  color: var(--clr-neutral-900);
  font-size: var(--fs-500);
}

.snippet__title a {
  color: inherit;
  text-decoration: none;
}

.snippet__title a:hover,
.snippet__title a:focus {
  color: var(--clr-primary-500);
}

@media (min-width: 45em) {
  .snippet {
    grid-template-areas:
      "title image"
      "meta image"
      "body image"
      "button image";
    grid-column-gap: 4em;
    grid-template-columns: 1fr 40%;
    grid-template-rows: min-content min-content min-content 1fr;
  }
}

.btn {
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  line-height: 1;
  padding: 0.75em 1.75em;
  border-radius: 0.25em;
  align-self: start;
  justify-self: start;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.15s ease;
}

.btn:focus {
  outline: 0.125em solid var(--clr-primary-400);
  outline-offset: 0.25em;
}

.btn--primary {
  background: var(--clr-primary-400);
  color: var(--clr-neutral-100);
  font-weight: var(--fw-700);
  border: 2px solid var(--clr-primary-400);
}
.btn--primary:hover,
.btn--primary:focus {
  background: var(--clr-primary-500);
  border-color: var(--clr-primary-500);
  transform: translateY(-2px);
}

.btn--neutral {
  background-color: var(--clr-neutral-100);
  color: var(--clr-neutral-900);
  font-weight: var(--fw-700);
  border: 2px solid var(--clr-neutral-900);
}

.btn--neutral:hover,
.btn--neutral:focus {
  color: var(--clr-neutral-100);
  background-color: var(--clr-neutral-900);
}

/* //////////////////////
  Tag Filters
  /////////////////////// */

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 1.75rem 0 0;
}

.tag-filter-btn {
  cursor: pointer;
  font-family: var(--ff-button);
  font-size: var(--fs-300);
  font-weight: var(--fw-700);
  padding: 0.35em 1.1em;
  border-radius: 2em;
  border: 2px solid var(--clr-primary-400);
  background: transparent;
  color: var(--clr-primary-400);
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.tag-filter-btn:hover,
.tag-filter-btn:focus {
  background: var(--clr-primary-200);
  outline: none;
}

.tag-filter-btn--active {
  background: var(--clr-primary-400);
  color: var(--clr-neutral-100);
}

.tag-filter-btn--active:hover,
.tag-filter-btn--active:focus {
  background: var(--clr-primary-500);
  border-color: var(--clr-primary-500);
}

/* Override top margin on the asides-page article list
   so it sits closer to the tag filters */
#articles-list.articles__list {
  margin-top: 2rem;
}

/* //////////////////////
  Pagination
  /////////////////////// */

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4em;
  justify-content: center;
  margin: 3rem 0 1rem;
}

.pagination__btn {
  cursor: pointer;
  font-family: var(--ff-button);
  font-size: var(--fs-300);
  font-weight: var(--fw-700);
  min-width: 2.5em;
  padding: 0.35em 0.8em;
  border-radius: 0.25em;
  border: 2px solid var(--clr-neutral-200);
  background: transparent;
  color: var(--clr-neutral-900);
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.pagination__btn:hover:not(:disabled),
.pagination__btn:focus:not(:disabled) {
  background: var(--clr-primary-200);
  border-color: var(--clr-primary-400);
  outline: none;
}

.pagination__btn--active {
  background: var(--clr-primary-400);
  border-color: var(--clr-primary-400);
  color: var(--clr-neutral-100);
}

.pagination__btn--active:hover,
.pagination__btn--active:focus {
  background: var(--clr-primary-500);
  border-color: var(--clr-primary-500);
}

.pagination__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* //////////////////////
  Article page — meta + body
  /////////////////////// */

.article-meta {
  color: var(--clr-neutral-400);
  font-size: var(--fs-300);
  font-family: var(--ff-button);
  letter-spacing: 0.02em;
}

.article-meta time {
  color: var(--clr-neutral-400);
}

.main-article__body {
  line-height: 1.75;
  --flow-spacer: 1.25em;
}

/* //////////////////////
  Article page — previous / next
  /////////////////////// */

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: calc(var(--section-space) * 1.5);
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-neutral-200);
}

@media (min-width: 45em) {
  .article-nav {
    gap: 3rem;
  }
}

.article-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.35em;
  min-width: 0;
  overflow-wrap: break-word;
  text-decoration: none;
}

.article-nav__link--next {
  text-align: right;
}

/* Keep a lone "next" link on the right when there is no previous one */
.article-nav__link--next:only-child {
  grid-column: 2;
}

.article-nav__label {
  color: var(--clr-neutral-400);
  font-family: var(--ff-button);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}

.article-nav__title {
  color: var(--clr-neutral-900);
  font-family: var(--ff-body);
  font-size: var(--fs-400);
  font-weight: var(--fw-400);
  line-height: 1.35;
}

.article-nav__link:hover .article-nav__title,
.article-nav__link:focus-visible .article-nav__title {
  color: var(--clr-primary-500);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-nav__link:hover .article-nav__label,
.article-nav__link:focus-visible .article-nav__label {
  color: var(--clr-primary-400);
}

/* //////////////////////
  Article list — separators + alternating layout
  /////////////////////// */

/* On the filtered/paginated asides page the first *visible* item may not
   be the first DOM child, so suppress the flow margin it would inherit. */
.articles__list > li.is-first-visible {
  margin-top: 0;
}

/* Alternating image position for visual rhythm on desktop */
/* @media (min-width: 45em) {
  .articles__list > li:nth-child(even) .snippet {
    grid-template-areas:
      "image title"
      "image meta"
      "image body"
      "image button";
    grid-template-columns: 38% 1fr;
  }
} */