:root {
  --font-sans: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --color-bg: #f6f6f4;
  --color-surface: #ffffff;
  --color-muted: #6f7175;
  --color-text: #2c2d30;
  --color-border: #e0e1e3;
  --color-accent: #141516;
  --shadow-soft: 0 12px 32px rgba(25, 27, 31, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

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

.masthead {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.masthead__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand__link {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.brand__tagline {
  margin: 4px 0 0;
  font-size: 16px;
  color: var(--color-muted);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-muted);
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 32px 96px;
}

.section {
  margin-bottom: 88px;
}

.section__header {
  margin-bottom: 36px;
}

.section__header h2 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section__header p {
  margin: 0;
  color: var(--color-muted);
  max-width: 560px;
}

.about {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  padding: 56px 56px 48px;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(240px, 1fr) 2fr;
  align-items: center;
  box-shadow: var(--shadow-soft);
}

.about__portrait {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  background: var(--color-surface);
}

.about__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}

.about__content h1 {
  margin: 0 0 24px;
  font-size: clamp(32px, 4vw, 40px);
  letter-spacing: -0.01em;
}

.about__content p {
  margin: 0 0 20px;
  font-size: 18px;
}

.writing {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.writing__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-soft);
  min-height: 240px;
}

.writing__date {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.writing__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
}

.writing__title a {
  text-decoration: none;
  color: var(--color-text);
}

.writing__title a:hover,
.writing__title a:focus {
  color: var(--color-muted);
}

.writing__excerpt {
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  flex: 1;
}

.section--connect {
  margin-bottom: 0;
}

.section--connect .connect {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 0;
}

.connect__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  transition: transform 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.connect__icon:hover,
.connect__icon:focus {
  transform: translateY(-2px);
  border-color: #c5c6c9;
  box-shadow: 0 16px 32px rgba(25, 27, 31, 0.14);
}

.connect__icon img {
  width: 28px;
  height: 28px;
  display: block;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px;
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}

@media (max-width: 860px) {
  .masthead__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .site-nav ul {
    gap: 16px;
  }

  .about {
    grid-template-columns: 1fr;
    padding: 40px 32px;
  }

  .about__portrait {
    max-width: 320px;
    margin: 0 auto;
  }

  .section {
    margin-bottom: 72px;
  }
}

@media (max-width: 480px) {
  main {
    padding: 48px 20px 64px;
  }

  .masthead__inner {
    padding: 20px;
  }

  .about {
    padding: 32px 24px;
  }

  .writing__item {
    padding: 24px;
  }
}