html {
  font-size: 100%;
}

:root {
  color-scheme: light dark;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --color-bg: #f7f8f6;
  --color-surface: #ffffff;
  --color-surface-soft: #fbfaf7;
  --color-ink: #1f2624;
  --color-heading: #14343e;
  --color-body: #42504d;
  --color-muted: #6f7875;
  --color-link: #205c73;
  --color-link-strong: #17475a;
  --color-accent: #8a6a35;
  --color-accent-strong: #9a6a27;
  --line-teal: rgba(32, 92, 115, 0.14);
  --line-teal-strong: rgba(32, 92, 115, 0.24);
  --line-accent: rgba(154, 106, 39, 0.45);
  --shadow-soft: 0 14px 36px rgba(20, 52, 62, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.home-page,
.blog-page {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
}

.home-page {
  padding: 72px clamp(20px, 6vw, 72px) 48px;
  text-align: center;
  position: relative;
}

.home-page h1,
.blog-page h1 {
  letter-spacing: 0;
}

.home-page h1 {
  margin-top: 4px;
  font-size: 42px;
  line-height: 1.08;
  color: var(--color-heading);
}

.home-page p {
  color: var(--color-body);
}

.home-page .muted {
  color: var(--color-muted);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.home-page .hero-photo {
  display: block;
  width: 168px;
  height: 168px;
  max-width: none;
  margin: 0 auto 20px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line-teal);
  box-shadow: 0 18px 44px rgba(20, 52, 62, 0.12);
}

.lang-switcher {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.lang-switcher a {
  color: var(--color-muted);
  margin: 0 3px;
  padding: 5px;
  text-decoration: none;
}

.lang-switcher a:hover,
.lang-switcher a:focus-visible {
  color: var(--color-link);
  text-decoration: underline;
  outline: none;
}

.lang-switcher a.active {
  color: var(--color-accent) !important;
  cursor: default;
  text-decoration: none;
}

.home-page .nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.home-page .nav a,
.home-page .nav button,
.blog-page nav a,
.blog-page .read-link {
  color: var(--color-link);
}

.home-page .nav a,
.home-page .nav button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  line-height: 1.2;
  border: 1px solid rgba(32, 92, 115, 0.18);
  border-radius: var(--radius);
  padding: 8px 14px;
  background: var(--color-surface);
  color: var(--color-link);
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

.home-page .nav a:hover,
.home-page .nav button:hover,
.home-page .nav a:focus-visible,
.home-page .nav button:focus-visible {
  border-color: rgba(32, 92, 115, 0.38);
  background: #eef5f4;
  text-decoration: none;
  outline: none;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 820px;
  margin: 28px auto 0;
  text-align: left;
}

.proof-card {
  display: block;
  min-height: 92px;
  border: 1px solid rgba(32, 92, 115, 0.16);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--color-surface);
  color: var(--color-heading);
  text-decoration: none;
}

.proof-card:hover,
.proof-card:focus-visible {
  border-color: rgba(154, 106, 39, 0.46);
  background: var(--color-surface-soft);
  outline: none;
}

.proof-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.proof-card strong {
  display: block;
  color: var(--color-heading);
  font-size: 16px;
  line-height: 1.35;
}

.home-page .bio {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid var(--line-teal);
  font-size: 17px;
  line-height: 1.6;
  text-align: left;
}

.home-page .bio p {
  margin: 14px 0;
}

.home-page .bio p:first-child {
  margin-bottom: 18px;
}

.home-page .bio p:first-child strong {
  color: var(--color-accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-page .tagline {
  max-width: 640px;
  margin: 14px auto 0;
  color: #2c3a37;
  font-size: 20px;
  line-height: 1.5;
}

.home-page .cta-row {
  margin: 44px 0 8px;
  text-align: center;
}

.home-page .cta-primary {
  display: inline-block;
  padding: 10px 4px;
  background: transparent;
  color: var(--color-accent);
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: underline;
  text-decoration-color: var(--line-accent);
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
  transition: text-decoration-color 0.15s ease;
}

.home-page .cta-primary::after {
  content: " →";
}

.home-page .cta-primary:hover,
.home-page .cta-primary:focus-visible {
  text-decoration-color: var(--color-accent);
  outline: none;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  background: rgba(0, 0, 0, 0.38);
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 101;
  display: none;
  width: calc(100vw - 40px);
  max-width: 440px;
  max-height: calc(100vh - 120px);
  overflow: auto;
  padding: 28px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line-teal);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 24px 70px rgba(20, 52, 62, 0.22);
  text-align: left;
}

.modal h2 {
  margin: 0 0 10px;
  color: var(--color-heading);
  font-size: 24px;
  line-height: 1.2;
}

.modal p {
  margin: 0 0 18px;
  color: var(--color-body);
}

.modal a.cta {
  display: block;
  margin: 10px 0;
  padding: 13px 14px;
  border: 1px solid rgba(154, 106, 39, 0.2);
  border-radius: var(--radius);
  background: var(--color-surface-soft);
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.modal a.cta:hover,
.modal a.cta:focus-visible {
  border-color: rgba(154, 106, 39, 0.48);
  color: var(--color-accent);
  outline: none;
}

.close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font: inherit;
  font-size: 24px;
  line-height: 1;
}

.close:hover,
.close:focus-visible {
  color: var(--color-accent);
  outline: none;
}

.site-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid rgba(32, 92, 115, 0.12);
  text-align: center;
  font-size: 14px;
}

.site-footer p {
  margin: 6px 0;
  color: var(--color-muted);
}

.site-footer .social-links a {
  margin: 0 8px;
  color: var(--color-muted);
  text-decoration: none;
}

.site-footer .social-links a:hover,
.site-footer .social-links a:focus-visible {
  color: var(--color-link);
  text-decoration: underline;
  outline: none;
}

.blog-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 56px clamp(18px, 5vw, 48px) 64px;
  line-height: 1.65;
}

.blog-page nav {
  max-width: 900px;
  margin: 0 auto 34px;
  text-align: left;
}

.blog-page h1 {
  max-width: 900px;
  margin: 0 auto 18px;
  color: #14343e;
  font-size: 38px;
  line-height: 1.12;
  text-align: left;
}

.blog-page nav a {
  text-decoration: none;
}

.blog-page nav a:hover,
.blog-page nav a:focus-visible {
  text-decoration: underline;
}

.blog-page .intro,
.blog-page .language-filter,
.blog-page .post-list {
  max-width: 900px;
}

.blog-page .intro {
  margin: 0 auto 28px;
  padding-left: 18px;
  border-left: 3px solid #9a6a27;
  color: #36423f;
  font-size: 18px;
  text-align: left;
}

.blog-page .language-filter {
  margin: 0 auto 36px;
  text-align: left;
}

.blog-page .filter-note {
  color: #59635f;
}

.blog-page .filter-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 8px;
}

.blog-page .filter-button {
  appearance: none;
  min-width: 52px;
  padding: 10px 12px;
  background: var(--color-surface);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  line-height: 1;
  border: 1px solid rgba(32, 92, 115, 0.22);
  border-radius: 8px;
  border-color: rgba(32, 92, 115, 0.22);
  color: #205c73;
}

.blog-page .filter-button:focus-visible {
  outline: 3px solid rgba(154, 106, 39, 0.24);
  outline-offset: 2px;
}

.blog-page .filter-button:hover,
.blog-page .filter-button.active {
  background: #205c73;
  color: #fff;
}

.blog-page .post-list {
  display: grid;
  margin: 0 auto;
  gap: 16px;
}

.blog-page .post-card {
  border-color: rgba(32, 92, 115, 0.14);
  border-radius: var(--radius);
  padding: 22px 24px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.blog-page .post-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.blog-page .post-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-top: 2px;
}

.blog-page .post-title {
  margin: 0;
  color: var(--color-heading);
  font-size: 22px;
  line-height: 1.3;
}

.blog-page .post-title-link {
  color: inherit;
  text-decoration: none;
}

.blog-page .post-title-link:hover,
.blog-page .post-title-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.blog-page .post-meta {
  color: #7c8581;
  margin-top: 4px;
  font-size: 13px;
}

.blog-page .post-summary {
  position: relative;
  display: inline-block;
  max-width: 720px;
  margin-top: 10px;
  color: #42504d;
  cursor: help;
  font-size: 13px;
  line-height: 1.45;
}

.blog-page .summary-text {
  border-bottom-color: rgba(154, 106, 39, 0.38);
  border-bottom-style: dotted;
  border-bottom-width: 1px;
}

.blog-page .summary-tooltip {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 20;
  width: min(540px, calc(100vw - 80px));
  padding: 12px 14px;
  border: 1px solid rgba(32, 92, 115, 0.18);
  border-color: rgba(32, 92, 115, 0.18);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 12px 28px rgba(16, 32, 54, 0.18);
  color: var(--color-ink);
  font-size: 13px;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  visibility: hidden;
}

.blog-page .summary-tooltip p {
  margin: 0;
}

.blog-page .summary-tooltip p + p {
  margin-top: 8px;
}

.blog-page .summary-close {
  position: absolute;
  top: 6px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font: inherit;
  font-size: 18px;
  line-height: 1;
}

.blog-page .summary-close:hover,
.blog-page .summary-close:focus-visible {
  background: rgba(32, 92, 115, 0.08);
  color: var(--color-link);
  outline: none;
}

.blog-page .post-summary.is-open .summary-tooltip {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.blog-page .post-summary:focus-visible {
  outline: 3px solid rgba(154, 106, 39, 0.22);
  outline-offset: 4px;
}

.blog-page .post-read {
  margin-top: 12px;
}

.blog-page .iconbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(32, 92, 115, 0.14);
  border-radius: var(--radius);
  background: var(--color-surface);
  border-color: rgba(32, 92, 115, 0.14);
  color: var(--color-link);
  text-decoration: none;
}

.blog-page .iconbtn:hover,
.blog-page .iconbtn:focus-visible {
  background: #eef5f4;
  outline: none;
}

.blog-page .icon {
  width: 18px;
  height: 18px;
}

.blog-page .post-card[hidden] {
  display: none;
}

@media (max-width: 700px) {
  .home-page {
    padding-top: 58px;
  }

  .home-page h1 {
    font-size: 32px;
  }

  .home-page .hero-photo {
    width: 156px;
    height: 156px;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .home-page .bio {
    margin-top: 42px;
    font-size: 16px;
  }

  .blog-page {
    padding: 44px 18px 56px;
  }

  .blog-page h1 {
    font-size: 32px;
    text-align: center;
  }

  .blog-page nav,
  .blog-page .intro,
  .blog-page .language-filter {
    text-align: center;
  }

  .blog-page .intro {
    padding-left: 0;
    padding-top: 14px;
    border-left: 0;
    border-top: 3px solid #9a6a27;
  }

  .blog-page .filter-controls {
    justify-content: center;
  }

  .blog-page .post-card {
    padding: 18px;
  }

  .blog-page .summary-tooltip {
    display: none;
    position: static;
    width: 100%;
    max-width: 100%;
    margin-top: 10px;
    transform: none;
  }

  .blog-page .post-summary.is-open .summary-tooltip {
    display: block;
    transform: none;
  }

  .blog-page .post-head {
    align-items: flex-start;
  }
}

@media (prefers-color-scheme: dark) {
  .home-page,
  .blog-page {
    background: #11110f;
    color: #e6e2d8;
  }

  :root {
    --color-bg: #11110f;
    --color-surface: #191916;
    --color-surface-soft: #20201c;
    --color-ink: #e6e2d8;
    --color-heading: #dfeee9;
    --color-body: #c9c3b7;
    --color-muted: #9d978b;
    --color-link: #dfeee9;
    --color-accent: #c59b58;
    --color-accent-strong: #c59b58;
    --line-teal: rgba(223, 238, 233, 0.12);
    --line-teal-strong: rgba(223, 238, 233, 0.22);
    --line-accent: rgba(197, 155, 88, 0.45);
  }

  .home-page h1,
  .blog-page h1,
  .proof-card strong,
  .blog-page .post-title {
    color: #dfeee9;
  }

  .home-page p,
  .blog-page .intro,
  .blog-page .post-summary {
    color: #c9c3b7;
  }

  .home-page .muted,
  .blog-page .post-meta,
  .blog-page .filter-note {
    color: #9d978b;
  }

  .home-page .nav a,
  .home-page .nav button,
  .blog-page nav a,
  .blog-page .read-link {
    color: #dfeee9;
  }

  .proof-card,
  .blog-page .post-card,
  .blog-page .filter-button,
  .blog-page .iconbtn {
    background: #191916;
    border-color: rgba(223, 238, 233, 0.12);
  }

  .home-page .nav a,
  .home-page .nav button {
    background: transparent;
    border-color: rgba(223, 238, 233, 0.22);
    color: #dfeee9;
  }

  .lang-switcher a {
    color: #9d978b;
  }

  .lang-switcher a:hover,
  .lang-switcher a:focus-visible {
    color: #dfeee9;
  }

  .lang-switcher a.active {
    color: #c59b58 !important;
  }

  .modal {
    background: #191916;
    border-color: rgba(223, 238, 233, 0.12);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  }

  .modal a.cta {
    background: #20201c;
    border-color: rgba(197, 155, 88, 0.22);
    color: #dfeee9;
  }

  .modal a.cta:hover,
  .modal a.cta:focus-visible {
    border-color: rgba(197, 155, 88, 0.5);
    color: #c59b58;
  }

  .home-page .nav a:hover,
  .home-page .nav button:hover,
  .proof-card:hover,
  .proof-card:focus-visible {
    background: #20201c;
    border-color: rgba(154, 106, 39, 0.48);
  }

  .home-page .tagline {
    color: #d4cfc3;
  }

  .site-footer {
    border-top-color: rgba(223, 238, 233, 0.12);
  }

  .site-footer p,
  .site-footer .social-links a {
    color: #9d978b;
  }

  .site-footer .social-links a:hover,
  .site-footer .social-links a:focus-visible {
    color: #dfeee9;
  }

  .home-page .cta-primary {
    color: #c59b58;
    text-decoration-color: rgba(197, 155, 88, 0.45);
  }

  .home-page .cta-primary:hover,
  .home-page .cta-primary:focus-visible {
    text-decoration-color: #c59b58;
  }

  .proof-card span,
  .home-page .bio p:first-child strong {
    color: #c59b58;
  }

  .home-page .bio {
    border-top-color: rgba(223, 238, 233, 0.12);
  }

  .blog-page .post-card {
    box-shadow: none;
  }

  .blog-page .summary-tooltip {
    background: #141413;
    border-color: rgba(223, 238, 233, 0.24);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    color: #e6e2d8;
  }

  .blog-page .summary-close {
    color: #aaa;
  }

  .blog-page .summary-close:hover,
  .blog-page .summary-close:focus-visible {
    background: rgba(223, 238, 233, 0.12);
    color: #dfeee9;
  }

  .blog-page .filter-button:hover,
  .blog-page .filter-button.active {
    background: #dfeee9;
    color: #11110f;
  }
}