:root {
  --ink: #0c1524;
  --navy: #13233a;
  --navy-deep: #0a1422;
  --steel: #5b6b7c;
  --mist: #8a97a6;
  --fog: #c5ced8;
  --paper: #e8edf2;
  --snow: #f4f7fa;
  --line: rgba(19, 35, 58, 0.12);
  --accent: #1e3a5f;
  --accent-soft: #2a4a73;
  --max: 68rem;
  --font-sans: "Manrope", "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --tech-grid:
    linear-gradient(rgba(30, 58, 95, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 95, 0.045) 1px, transparent 1px);
  --tech-diag:
    repeating-linear-gradient(-32deg, transparent 0 10px, rgba(30, 58, 95, 0.03) 10px 11px);
  --tech-dots: radial-gradient(rgba(30, 58, 95, 0.09) 0.7px, transparent 0.8px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  background-color: var(--snow);
  background-image:
    var(--tech-dots),
    var(--tech-diag),
    radial-gradient(900px 420px at 8% -8%, rgba(42, 74, 115, 0.12), transparent 55%),
    radial-gradient(700px 360px at 100% 0%, rgba(91, 107, 124, 0.1), transparent 50%),
    linear-gradient(180deg, var(--snow) 0%, var(--paper) 55%, #dfe6ee 100%);
  background-size: 14px 14px, auto, auto, auto, auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-soft); text-decoration-thickness: 1px; text-underline-offset: 0.18em; transition: color .2s var(--ease); }
a:hover, a:focus-visible { color: var(--navy); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.site-wrap,
.site-wrap { width: min(100% - 1.5rem, var(--max)); margin-inline: auto; }
#content, main { flex: 1 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(244, 247, 250, .9);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .55rem 0; position: relative;
}
.brand { display: inline-flex; flex-direction: column; gap: 0; color: var(--navy-deep); text-decoration: none; }
.brand__name { font-family: var(--font-serif); font-size: clamp(1.2rem, 2vw, 1.45rem); font-weight: 600; line-height: 1.1; }
.brand__tag { font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); }

.nav-toggle {
  display: none; border: 1px solid var(--line); background: var(--snow);
  color: var(--navy); padding: .4rem .65rem; font: inherit; font-size: .8rem; cursor: pointer;
}
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .1rem .85rem; justify-content: flex-end; }
.primary-nav a { color: var(--navy); text-decoration: none; font-size: .86rem; font-weight: 500; opacity: .88; }
.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a { opacity: 1; color: var(--accent); }

.hero {
  position: relative;
  min-height: min(58vh, 28rem);
  display: grid; align-items: end; overflow: hidden; color: var(--snow);
  background:
    linear-gradient(115deg, rgba(10,20,34,.94) 10%, rgba(19,35,58,.82) 48%, rgba(30,58,95,.62) 100%),
    linear-gradient(180deg, #0a1422 0%, #13233a 55%, #1e3a5f 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 82% 22%, rgba(197,206,216,.16), transparent 28%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    repeating-linear-gradient(-28deg, transparent 0 12px, rgba(255,255,255,.028) 12px 13px);
  background-size: auto, 28px 28px, 28px 28px, auto;
  animation: hero-drift 16s var(--ease) infinite alternate;
}
.hero::after {
  content: "";
  position: absolute;
  right: -4rem; bottom: -3rem;
  width: min(42vw, 22rem); height: min(42vw, 22rem);
  border: 1px solid rgba(197, 206, 216, .14);
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(197, 206, 216, .05), 0 0 0 28px rgba(197, 206, 216, .03);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; width: min(100% - 1.5rem, var(--max)); margin: 0 auto; padding: 3.25rem 0 2.25rem; }
.hero__brand {
  font-family: var(--font-serif); font-size: clamp(2.1rem, 5.5vw, 3.4rem); font-weight: 600;
  line-height: 1.02; letter-spacing: -.02em; margin: 0 0 .7rem; max-width: 14ch;
  opacity: 0; transform: translateY(.7rem); animation: rise .7s var(--ease) .1s forwards;
}
.hero__lead {
  margin: 0; max-width: 36rem; font-size: clamp(.98rem, 1.6vw, 1.12rem); color: var(--fog);
  opacity: 0; transform: translateY(.7rem); animation: rise .7s var(--ease) .22s forwards;
}
.hero__cta {
  display: inline-flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.15rem;
  opacity: 0; transform: translateY(.7rem); animation: rise .7s var(--ease) .34s forwards;
}

.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .55rem 1rem; border: 1px solid transparent;
  background: var(--paper); color: var(--navy-deep); text-decoration: none;
  font-weight: 600; font-size: .88rem;
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.button:hover { transform: translateY(-1px); background: #fff; color: var(--navy-deep); }
.button--ghost { background: transparent; border-color: rgba(232,237,242,.45); color: var(--snow); }
.button--ghost:hover { background: rgba(244,247,250,.1); color: var(--snow); }

.section {
  position: relative;
  padding: 2.25rem 0;
  overflow: hidden;
}
.section + .section { border-top: 1px solid var(--line); }
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: var(--tech-grid), var(--tech-diag);
  background-size: 24px 24px, auto;
  opacity: .9;
}
.section:nth-child(odd)::before {
  background-image: var(--tech-dots), var(--tech-diag);
  background-size: 16px 16px, auto;
}
.section > * { position: relative; z-index: 1; }
.section__label { margin: 0 0 .4rem; font-size: .72rem; letter-spacing: .11em; text-transform: uppercase; color: var(--steel); }
.section__title {
  margin: 0 0 .7rem; font-family: var(--font-serif); font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 600; color: var(--navy-deep); line-height: 1.15; max-width: 24ch;
}
.section__text { margin: 0; max-width: 44rem; color: var(--steel); }

.feature-list,
.feature-list { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .45rem; }
.feature-list li,
.feature-list li { position: relative; padding-left: 1rem; color: var(--navy); max-width: 46rem; }
.feature-list li::before,
.feature-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: .35rem; height: .35rem; background: var(--accent); }

.split { display: grid; gap: 1.25rem; }
@media (min-width: 860px) { .split { grid-template-columns: 1.15fr .85fr; align-items: start; gap: 1.75rem; } }
.panel {
  position: relative;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.55), rgba(244,247,250,.35)),
    var(--tech-grid);
  background-size: auto, 18px 18px;
}
.panel h3 { margin: 0 0 .55rem; font-family: var(--font-serif); font-size: 1.1rem; color: var(--navy); }
.panel ul { margin: 0; padding-left: 1rem; color: var(--steel); }
.panel li + li { margin-top: .28rem; }

.card-list { display: grid; gap: .85rem; margin-top: 1.15rem; }
.card-list article {
  position: relative;
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.5), rgba(244,247,250,.28)),
    var(--tech-diag);
}
.card-list h2, .card-list h3 { margin: 0 0 .35rem; font-family: var(--font-serif); font-size: 1.1rem; color: var(--navy); }
.card-list p { margin: 0 0 .45rem; color: var(--steel); max-width: 46rem; }
.card-list p:last-child { margin-bottom: 0; }
.card-list a { font-weight: 600; text-decoration: none; }

.project-group { margin-top: 1.5rem; }
.project-group + .project-group { margin-top: 1.75rem; padding-top: 1.35rem; border-top: 1px solid var(--line); }
.project-group__title,
.project-group h2 { margin: 0 0 .85rem; font-family: var(--font-serif); font-size: 1.2rem; color: var(--navy-deep); }

.page-hero {
  position: relative;
  padding: 1.75rem 0 1.25rem;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(19,35,58,.05), transparent 75%),
    var(--tech-grid);
  background-size: auto, 22px 22px;
  overflow: hidden;
}
.page-hero--cover,
.page-hero--has-cover {
  min-height: 12.5rem;
  display: grid;
  align-items: end;
  color: var(--snow);
  background: var(--navy-deep);
}
.page-hero__media {
  position: absolute;
  inset: 0;
}
.page-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}
.page-hero--cover::after,
.page-hero--has-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,20,34,.4) 0%, rgba(10,20,34,.82) 100%),
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: auto, 22px 22px, 22px 22px;
}
.page-hero__content {
  position: relative;
  z-index: 1;
  padding-bottom: 0.15rem;
}
.page-hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3.2vw, 2.25rem);
  color: var(--navy-deep);
  line-height: 1.12;
}
.page-hero--cover h1,
.page-hero--has-cover h1 { color: var(--snow); }
.page-hero p { margin: .45rem 0 0; max-width: 40rem; color: var(--steel); font-size: .95rem; }
.page-hero--cover p,
.page-hero--has-cover p,
.page-hero--cover .post-meta,
.page-hero--has-cover .post-meta { color: rgba(232,237,242,.82); }

.content { padding: 1.5rem 0 2.5rem; }
.content .entry-content > *:first-child { margin-top: 0; }
.content .entry-content h2, .content .entry-content h3 { font-family: var(--font-serif); color: var(--navy-deep); line-height: 1.2; }
.content .entry-content p, .content .entry-content li { color: var(--navy); }
.content .entry-content ul { padding-left: 1.05rem; }
.content .entry-content p { margin: 0 0 .85rem; }
.detail-meta { margin: 0 0 1rem; color: var(--steel); font-size: .9rem; }
.detail-meta strong { color: var(--navy); }

.post-list { display: grid; gap: 1rem; padding: 1.5rem 0 2.5rem; }
.post-item {
  display: grid;
  gap: .85rem;
  padding: .9rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.5), rgba(244,247,250,.25)),
    var(--tech-grid);
  background-size: auto, 18px 18px;
}
@media (min-width: 720px) {
  .post-item { grid-template-columns: 12.5rem 1fr; align-items: start; }
}
.post-item__thumb img {
  width: 100%;
  height: 8.5rem;
  object-fit: cover;
  border: 1px solid var(--line);
}
.post-item h2 { margin: 0 0 .35rem; font-family: var(--font-serif); font-size: 1.2rem; }
.post-item h2 a { color: var(--navy-deep); text-decoration: none; }
.post-item h2 a:hover { color: var(--accent); }
.post-meta { margin: 0 0 .4rem; font-size: .8rem; color: var(--mist); }

.site-footer {
  margin-top: auto; border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(19,35,58,.03), rgba(10,20,34,.07)),
    var(--tech-diag);
  color: var(--steel);
}
.site-footer__inner { display: grid; gap: .85rem; padding: 1.35rem 0; }
@media (min-width: 760px) { .site-footer__inner { grid-template-columns: 1.2fr 1fr; } }
.site-footer strong { color: var(--navy); font-family: var(--font-serif); font-size: 1.05rem; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem .85rem; }
.footer-nav a { color: var(--steel); text-decoration: none; font-size: .84rem; }
.footer-nav a:hover { color: var(--navy); }
.site-footer__copy { margin: .35rem 0 0; font-size: .8rem; }

@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@keyframes hero-drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(-1%, 1%, 0) scale(1.03); }
}
.reveal { opacity: 0; transform: translateY(.55rem); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: rgba(244,247,250,.98); border-bottom: 1px solid var(--line); padding: .65rem 1rem .9rem;
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .hero { min-height: min(48vh, 22rem); }
  .section { padding: 1.75rem 0; }
}


.journal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem .9rem;
  margin: 0 0 1.1rem;
  padding: .65rem .8rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.55), rgba(244,247,250,.3)),
    var(--tech-grid);
  background-size: auto, 18px 18px;
}
.journal-nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: .86rem;
  font-weight: 600;
}
.journal-nav a:hover { color: var(--accent); }
.detail-meta { margin: 0 0 .85rem; color: var(--steel); font-size: .92rem; }