/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black: #1A1A1A;
  --grey-dark: #4A4A4A;
  --grey-mid: #999999;
  --grey-light: #E5E5E0;
  --white: #FFFFFF;
  --max-width: 720px;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--grey-dark);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--black); text-decoration: none; }
a:hover { text-decoration: underline; }

img { display: block; max-width: 100%; height: auto; }

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.site-nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--grey-light);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-nav__logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
}

.site-nav__logo:hover { text-decoration: none; }

.site-nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.site-nav__links a {
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--grey-dark);
  transition: color 0.2s;
}

.site-nav__links a:hover,
.site-nav__links a.active {
  color: var(--black);
  text-decoration: none;
}

/* ===== Hero / Landing ===== */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--grey-dark);
  max-width: 520px;
  margin: 0 auto 40px;
}

.hero__cta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
  background-color: var(--black);
  padding: 14px 36px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.hero__cta:hover {
  background-color: var(--grey-dark);
  text-decoration: none;
  color: var(--white);
}

/* ===== Section Headings ===== */
.section-heading {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
}

.section-rule {
  width: 75%;
  border: none;
  border-top: 2.5px solid var(--black);
  margin-bottom: 40px;
}

/* ===== Features (Landing page) ===== */
.features {
  padding: 60px 0 80px;
  border-top: 1px solid var(--grey-light);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}

.feature__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
}

.feature__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey-dark);
}

/* ===== Latest Issue Preview (Landing) ===== */
.latest-issue {
  padding: 60px 0 80px;
  border-top: 1px solid var(--grey-light);
}

.latest-issue__card {
  border: 1px solid var(--grey-light);
  padding: 36px;
  margin-top: 24px;
}

.latest-issue__meta {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: 8px;
}

.latest-issue__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
}

.latest-issue__summary {
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey-dark);
  margin-bottom: 20px;
}

.latest-issue__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  text-decoration: underline;
}

/* ===== Archive ===== */
.archive {
  padding: 60px 0 80px;
}

.archive__grid {
  display: grid;
  gap: 24px;
}

.archive-card {
  border: 1px solid var(--grey-light);
  padding: 28px 32px;
  transition: border-color 0.2s;
}

.archive-card:hover {
  border-color: var(--black);
}

.archive-card__header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 8px;
}

.archive-card__version {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey-mid);
  white-space: nowrap;
}

.archive-card__date {
  font-size: 13px;
  color: var(--grey-mid);
  white-space: nowrap;
}

.archive-card__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
}

.archive-card__summary {
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey-dark);
}

/* ===== Subscribe Form ===== */
.subscribe-form {
  display: flex;
  gap: 0;
  max-width: 440px;
  margin: 0 auto 12px;
}

.subscribe-form__input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--black);
  background: var(--white);
  border: 1.5px solid var(--grey-light);
  border-right: none;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.subscribe-form__input:focus {
  border-color: var(--black);
}

.subscribe-form__input::placeholder {
  color: var(--grey-mid);
}

.subscribe-form__btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--white);
  background-color: var(--black);
  border: 1.5px solid var(--black);
  padding: 13px 24px;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s;
}

.subscribe-form__btn:hover {
  background-color: var(--grey-dark);
  border-color: var(--grey-dark);
}

.subscribe-form__btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.subscribe-form__feedback {
  font-size: 14px;
  min-height: 20px;
  margin-bottom: 16px;
}

.subscribe-form__feedback--success { color: #2a7a2a; }
.subscribe-form__feedback--error   { color: #c0392b; }

.hero__secondary-link {
  display: block;
  font-size: 14px;
  color: var(--grey-dark);
  margin-top: 4px;
}

.hero__secondary-link:hover {
  color: var(--black);
}

/* ===== Issue Back Bar ===== */
.issue-back {
  padding: 14px 0;
  border-bottom: 1px solid var(--grey-light);
  background: var(--white);
}

.issue-back__link {
  font-size: 14px;
  color: var(--grey-dark);
  transition: color 0.2s;
}

.issue-back__link:hover {
  color: var(--black);
  text-decoration: none;
}

/* ===== Archive Card (as link) ===== */
a.archive-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

a.archive-card:hover {
  text-decoration: none;
}

/* ===== About Page ===== */
.about {
  padding: 60px 0 80px;
}

.about__header {
  margin-bottom: 0;
}

.about__name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
}

.about__bio {
  font-size: 17px;
  color: var(--grey-dark);
  margin-bottom: 40px;
}

.about__section-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  margin: 32px 0 10px;
}

.about__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--grey-dark);
  margin-bottom: 14px;
}

.about .subscribe-form {
  margin: 16px 0 0;
}

/* ===== WIP Page ===== */
.wip {
  padding: 120px 0;
  text-align: center;
}

.wip__title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 16px;
}

.wip__text {
  font-size: 16px;
  color: var(--grey-mid);
}

/* ===== Portfolio Hero ===== */
.portfolio-hero {
  padding: 80px 0 60px;
}

.portfolio-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: 16px;
}

.portfolio-hero__title {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 20px;
}

.portfolio-hero__subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--grey-dark);
  max-width: 520px;
}

/* ===== Projects Section ===== */
.projects {
  padding: 60px 0 80px;
  border-top: 1px solid var(--grey-light);
}

.projects__heading {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: 24px;
}

.projects__rule {
  border: none;
  border-top: 1px solid var(--grey-light);
  margin-bottom: 40px;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ===== Project Card ===== */
.project-card {
  border: 1px solid var(--grey-light);
  padding: 32px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.2s;
}

.project-card:hover {
  border-color: var(--black);
  text-decoration: none;
}

.project-card--wip {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.project-card__tag {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: 16px;
}

.project-card__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
}

.project-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey-dark);
  margin-bottom: 24px;
}

.project-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
}

/* ===== Footer ===== */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--grey-light);
  text-align: center;
}

.site-footer__text {
  font-size: 13px;
  color: var(--grey-mid);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .hero { padding: 60px 0 50px; }
  .hero__title { font-size: 32px; }
  .hero__subtitle { font-size: 16px; }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .archive-card__header {
    flex-direction: column;
    gap: 4px;
  }

  .site-nav__links { gap: 16px; }
  .site-nav__links a { font-size: 13px; }

  .portfolio-hero__title { font-size: 32px; }

  .projects__grid {
    grid-template-columns: 1fr;
  }

  .subscribe-form {
    flex-direction: column;
    max-width: 100%;
  }

  .subscribe-form__input {
    border-right: 1.5px solid var(--grey-light);
    border-bottom: none;
  }

  .subscribe-form__input:focus {
    border-color: var(--black);
  }
}