:root {
  --bg: #0e1418;
  --bg-soft: #141c22;
  --surface: #1a242c;
  --surface-2: #223039;
  --ink: #e8eef1;
  --muted: #a7b4bc;
  --teal: #5ebccd;
  --teal-deep: #3aa6b9;
  --line: rgba(148, 179, 188, 0.22);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --serif: "EB Garamond", Georgia, serif;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 55% at 10% -10%, rgba(58, 166, 185, 0.18), transparent 55%),
    linear-gradient(180deg, #10171c 0%, var(--bg) 42%, #0b1115 100%);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
}

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

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: #8fd5e2; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 30;
  background: var(--ink);
  color: var(--bg);
  padding: 0.65rem 0.9rem;
  border-radius: 0.4rem;
}

.skip:focus { top: 1rem; }

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.header-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  line-height: 1;
}

.brand img {
  height: 2.1rem;
  width: auto;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
  justify-content: flex-end;
}

.nav a {
  color: rgba(232, 238, 241, 0.86);
  text-decoration: none;
  font-size: 0.95rem;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
}

.nav a:hover,
.nav a[aria-current="page"] { color: #fff; }

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-content: end;
  padding: 7rem 0 4.5rem;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  z-index: -2;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 12, 16, 0.88) 0%, rgba(8, 12, 16, 0.62) 48%, rgba(8, 12, 16, 0.28) 100%),
    linear-gradient(180deg, rgba(8, 12, 16, 0.45) 0%, rgba(8, 12, 16, 0.18) 35%, rgba(8, 12, 16, 0.82) 100%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 34rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section-title,
.article h2,
.article h3,
.practice h1 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.12;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  max-width: 11ch;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.hero-lead {
  margin: 1.1rem 0 0;
  max-width: 34ch;
  color: #d5dee3;
  font-size: 1.15rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  background: var(--teal-deep);
  color: #071015;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button:hover { background: var(--teal); color: #071015; }

.button-secondary {
  background: rgba(8, 12, 16, 0.28);
  border-color: rgba(232, 238, 241, 0.35);
  color: #fff;
  backdrop-filter: blur(6px);
}

.button-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(8, 12, 16, 0.4);
}

.section {
  padding: 4.5rem 0;
}

.section-kicker {
  margin: 0 0 0.5rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  max-width: 16ch;
}

.section-lead {
  margin: 0.8rem 0 0;
  max-width: 42rem;
}

.theme-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.theme-list a {
  display: block;
  height: 100%;
  padding: 1.25rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(26, 36, 44, 0.72);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.theme-list a:hover {
  border-color: rgba(94, 188, 205, 0.55);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.theme-list h3 {
  margin: 0 0 0.45rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
}

.theme-list p { margin: 0; }

.why {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.why-media {
  width: 100%;
  border-radius: 1.2rem;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
}

.why p:first-of-type { margin-top: 0; }

.closing {
  padding: 3.5rem 0 5rem;
}

.closing-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  min-height: 280px;
  display: grid;
  align-content: end;
  padding: 2.2rem 1.6rem;
  isolation: isolate;
}

.closing-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.closing-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 12, 16, 0.88), rgba(8, 12, 16, 0.55) 55%, rgba(8, 12, 16, 0.35));
}

.closing-panel h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  max-width: 14ch;
}

.closing-panel p {
  margin: 0.8rem 0 0;
  max-width: 40rem;
  color: #d5dee3;
}

.page-shell .header-bar {
  position: relative;
  background: rgba(14, 20, 24, 0.92);
  border-bottom: 1px solid var(--line);
}

.page-shell .nav a {
  text-shadow: none;
  color: var(--muted);
}

.page-media {
  width: min(720px, 100%);
  max-height: 420px;
  margin: 1.4rem 0 0;
  border-radius: 1.1rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  object-fit: contain;
}

.site-footer {
  padding: 0 0 2.2rem;
  color: #87949c;
  font-size: 0.92rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
}

.contact-page {
  padding: 2rem 0 4.5rem;
  max-width: 40rem;
}

.home-contact .contact-form {
  max-width: 40rem;
}

.home-contact .contact-email {
  margin: 0.35rem 0 0;
}

.contact-intro h1 {
  margin: 0.35rem 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
}

.contact-lead {
  margin: 0.9rem 0 0;
  color: #c5d0d6;
  font-size: 1.12rem;
}

.contact-email {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
}

.contact-form .field {
  display: grid;
  gap: 0.4rem;
}

.contact-form label {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-form .optional {
  color: var(--muted);
  font-weight: 400;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(26, 36, 44, 0.92);
  color: var(--ink);
  font: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(94, 188, 205, 0.45);
  outline-offset: 1px;
  border-color: var(--teal);
}

.contact-form textarea {
  resize: vertical;
  min-height: 9rem;
}

.contact-form .button {
  justify-self: start;
  margin-top: 0.35rem;
}

.contact-form .hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin-top: 1.5rem;
  padding: 0.9rem 1rem;
  border-radius: 0.55rem;
  border: 1px solid var(--line);
}

.form-status-ok {
  border-color: rgba(94, 188, 205, 0.45);
  background: rgba(58, 166, 185, 0.12);
  color: #d5eef3;
}

.form-status-err {
  border-color: rgba(220, 120, 120, 0.45);
  background: rgba(140, 50, 50, 0.18);
  color: #f0d0d0;
}

.article-page {
  padding: 2rem 0 4.5rem;
  max-width: 46rem;
}

.article-hero h1 {
  margin: 0.35rem 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.8vw, 3rem);
  line-height: 1.15;
}

.article-cover {
  margin: 1.25rem 0 0;
}

.article-cover img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.article-cover figcaption {
  margin-top: 0.45rem;
  color: #87949c;
  font-size: 0.82rem;
}

.article-body {
  margin-top: 1.6rem;
}

.article-body h2 {
  margin: 2.1rem 0 0.55rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 1.95rem);
}

.article-body h3 {
  margin: 1.4rem 0 0.4rem;
  color: var(--ink);
  font-size: 1.05rem;
}

.article-body p,
.article-body li {
  max-width: 46rem;
}

.article-body p { margin: 0.7rem 0; }

.article-body ul,
.article-body ol {
  margin: 0.7rem 0;
  padding-left: 1.25rem;
}

.article-body li { margin: 0.35rem 0; }

.article-body strong { color: #dce6ea; }

.article-rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.6rem 0;
}

.article-disclaimer {
  margin-top: 2rem;
  color: #87949c;
  font-size: 0.92rem;
}

.md-diagram {
  overflow-x: auto;
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: rgba(26, 36, 44, 0.7);
  color: #b7c5cc;
  font-size: 0.82rem;
  line-height: 1.35;
}

.article-tool {
  margin-top: 2.4rem;
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(26, 36, 44, 0.75);
}

.article-tool p {
  margin: 0 0 0.85rem;
  color: #c5d0d6;
}

.reading-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.reading-list a {
  display: block;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: rgba(26, 36, 44, 0.65);
  color: var(--ink);
  text-decoration: none;
}

.reading-list a:hover {
  border-color: rgba(94, 188, 205, 0.45);
  color: #8fd5e2;
}

.footer-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.2rem;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
}

.footer-links a {
  color: #9aabb4;
  text-decoration: none;
}

.footer-links a:hover { color: var(--teal); }

@media (max-width: 800px) {
  .nav { display: none; }
  .hero {
    min-height: min(86vh, 720px);
    padding-top: 5.5rem;
  }
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(8, 12, 16, 0.5) 0%, rgba(8, 12, 16, 0.35) 40%, rgba(8, 12, 16, 0.9) 100%),
      linear-gradient(90deg, rgba(8, 12, 16, 0.72), rgba(8, 12, 16, 0.4));
  }
  .why { grid-template-columns: 1fr; }
  .why-media { order: -1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .theme-list a { transition: none; }
}