@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300;1,9..40,400&display=swap');

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

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --ink:              #1A2B38;
  --ink-soft:         #2C3E4F;
  --greenstone:       #2D6A52;
  --greenstone-mid:   #3D8068;
  --greenstone-light: #5FA082;
  --greenstone-pale:  #E4EDE9;
  --greenstone-xpale: #F0F6F3;
  --sand:             #F5F1EB;
  --sand-dark:        #EDE8E0;
  --text:             #1A2B38;
  --text-muted:       #5A6B7A;
  --border:           #CCDBD4;
  --white:            #FFFFFF;

  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body:    'DM Sans', system-ui, sans-serif;

  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  --nav-h: 4.5rem;

  --ease: 200ms ease;

  --container-max: 1200px;
  --pad:           1.5rem;
}

/* ── Base ───────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-weight: var(--fw-regular);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--sand);
  -webkit-font-smoothing: antialiased;
}

img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  line-height: 1.15;
  color: var(--text);
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ── Shared section heading ──────────────────────────────── */
.section-heading {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: var(--fw-semibold);
  margin-bottom: 1.25rem;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .875rem 2rem;
  font-family: var(--ff-body);
  font-size: .9375rem;
  font-weight: var(--fw-medium);
  letter-spacing: .02em;
  border-radius: 3px;
  border: 2px solid transparent;
  transition: background var(--ease), color var(--ease),
              border-color var(--ease), transform var(--ease);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--greenstone);
  color: var(--white);
  border-color: var(--greenstone);
}
.btn-primary:hover {
  background: var(--greenstone-mid);
  border-color: var(--greenstone-mid);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--greenstone);
  border-color: var(--greenstone);
}
.btn-outline:hover {
  background: var(--greenstone);
  color: var(--white);
  transform: translateY(-1px);
}

/* ── Tag ────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: .25rem .7rem;
  font-size: .7rem;
  font-weight: var(--fw-medium);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--greenstone);
  background: var(--greenstone-pale);
  border: 1px solid var(--border);
  border-radius: 2px;
}

/* ── Text link ──────────────────────────────────────────── */
.text-link {
  font-size: .9rem;
  font-weight: var(--fw-medium);
  color: var(--greenstone);
  border-bottom: 1px solid var(--greenstone-light);
  padding-bottom: 1px;
  transition: color var(--ease), border-color var(--ease);
}
.text-link:hover { color: var(--greenstone-mid); border-color: var(--greenstone-mid); }

/* ── Navigation ─────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--ease), box-shadow var(--ease);
}
.site-header.scrolled {
  background: rgba(26, 43, 56, .96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255,255,255,.07);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav-logo {
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-weight: var(--fw-semibold);
  color: var(--white);
  letter-spacing: .01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.nav-links a {
  font-size: .875rem;
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,.8);
  transition: color var(--ease);
}
.nav-links a:hover { color: var(--white); }

.nav-links .nav-cta {
  padding: .45rem 1.1rem;
  border: 1.5px solid rgba(255,255,255,.35);
  border-radius: 3px;
  color: var(--white);
  transition: background var(--ease), border-color var(--ease);
}
.nav-links .nav-cta:hover {
  background: var(--greenstone);
  border-color: var(--greenstone);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 2.5rem;
  height: 2.5rem;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--ink);
  overflow: hidden;
  padding: 10rem var(--pad) 6rem;
}

.hero-motif {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--greenstone-light);
}
.hero-motif svg {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding-inline: 0;
}

.hero-eyebrow {
  font-size: .75rem;
  font-weight: var(--fw-medium);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--greenstone-light);
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 7.5vw, 6.5rem);
  font-weight: var(--fw-semibold);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--white);
  margin-bottom: 1.75rem;
}

.hero-sub {
  font-size: 1.0625rem;
  font-weight: var(--fw-light);
  color: rgba(255,255,255,.68);
  max-width: 480px;
  line-height: 1.65;
  margin-bottom: 2.75rem;
}

/* ── About ──────────────────────────────────────────────── */
.about {
  padding-block: 7rem;
  background: var(--white);
}

.about-inner {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 6rem;
  align-items: center;
}

.about-image-frame {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 5 / 6;
  background: var(--greenstone-pale);
}
.about-image-frame::before {
  content: '';
  position: absolute;
  inset: -8px 8px 8px -8px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  z-index: -1;
}
.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text { padding-block: 1rem; }
.about-text .tag { margin-bottom: 1rem; }
.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.72;
}
.about-text p:last-of-type { margin-bottom: 0; }
.about-text .btn { margin-top: 1.75rem; }

/* ── Blog preview ───────────────────────────────────────── */
.blog-preview {
  padding-block: 7rem;
  background: var(--sand);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

/* Post card */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: 6px;
  border: 1px solid var(--sand-dark);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}
.post-card:hover {
  box-shadow: 0 8px 32px rgba(26,43,56,.09);
  transform: translateY(-3px);
  border-color: var(--border);
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .875rem;
}

.post-date {
  font-size: .8rem;
  color: var(--text-muted);
}

.post-tags { display: flex; gap: .375rem; flex-wrap: wrap; }

.post-card-title {
  font-family: var(--ff-display);
  font-size: 1.375rem;
  font-weight: var(--fw-semibold);
  line-height: 1.22;
  color: var(--ink);
  margin-bottom: .75rem;
}

.post-card-summary {
  font-size: .9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.post-card-cta {
  font-size: .875rem;
  font-weight: var(--fw-medium);
  color: var(--greenstone);
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  transition: gap var(--ease);
}
.post-card:hover .post-card-cta { gap: .625rem; }

/* ── Contact ────────────────────────────────────────────── */
.contact {
  padding-block: 7rem;
  background: var(--greenstone-xpale);
  position: relative;
  overflow: hidden;
}

.contact-motif {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--greenstone);
}
.contact-motif svg { width: 100%; height: 100%; }

.contact-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-intro p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details p {
  font-size: .9375rem;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.contact-details strong { color: var(--text); }
.contact-details a { color: var(--greenstone); text-decoration: underline; text-underline-offset: 3px; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: .45rem; }
.form-group label { font-size: .875rem; font-weight: var(--fw-medium); color: var(--text); }
.required { color: var(--greenstone); }

.form-group input,
.form-group textarea {
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  font-family: var(--ff-body);
  font-size: .9375rem;
  color: var(--text);
  background: var(--white);
  outline: none;
  -webkit-appearance: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: .65; }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--greenstone-mid);
  box-shadow: 0 0 0 3px rgba(45,106,82,.12);
}
.form-group input.is-error,
.form-group textarea.is-error { border-color: #C0392B; }
.form-group textarea { resize: vertical; min-height: 140px; }

.field-error { font-size: .8rem; color: #C0392B; min-height: 1.1rem; display: block; }

.form-success {
  padding: .875rem 1.125rem;
  background: var(--greenstone-pale);
  border: 1px solid var(--greenstone-light);
  border-radius: 3px;
  color: var(--greenstone);
  font-size: .9375rem;
  font-weight: var(--fw-medium);
  display: none;
}
.form-success.is-visible { display: block; }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  padding-block: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-name {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  color: var(--white);
  font-weight: var(--fw-medium);
}

.footer-copy { font-size: .8rem; color: rgba(255,255,255,.4); }

.footer-nav { display: flex; gap: 1.5rem; }
.footer-nav a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: color var(--ease);
}
.footer-nav a:hover { color: var(--white); }

/* ── Blog list page ─────────────────────────────────────── */
.blog-hero {
  background: var(--ink);
  padding: 9rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.blog-hero-motif {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--greenstone-light);
}
.blog-hero-motif svg { width: 100%; height: 100%; }

.blog-hero-inner { position: relative; z-index: 1; }

.blog-hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--fw-semibold);
  color: var(--white);
  margin-bottom: .75rem;
}

.blog-hero p { color: rgba(255,255,255,.6); font-size: 1.0625rem; }

.blog-list-section { padding-block: 6rem; background: var(--sand); }

.blog-list { display: flex; flex-direction: column; gap: 1.25rem; }

.blog-list-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2.5rem;
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--sand-dark);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  align-items: start;
  transition: box-shadow var(--ease), transform var(--ease);
}
.blog-list-item:hover {
  box-shadow: 0 4px 20px rgba(26,43,56,.08);
  transform: translateX(4px);
}

.blog-list-item-date {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.5;
  padding-top: .2rem;
}
.blog-list-item-date .post-tags { margin-top: .6rem; flex-direction: column; align-items: flex-start; }

.blog-list-item-title {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: var(--fw-semibold);
  color: var(--ink);
  margin-bottom: .5rem;
  line-height: 1.2;
}

.blog-list-item-summary {
  font-size: .9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: .875rem;
}

/* ── Single post ────────────────────────────────────────── */
.post-hero {
  background: var(--ink);
  padding: 9rem 0 0;
  position: relative;
  overflow: hidden;
}

.post-hero-motif {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--greenstone-light);
}
.post-hero-motif svg { width: 100%; height: 100%; }

.post-hero-inner {
  position: relative;
  z-index: 1;
  padding-block: 3rem 4.5rem;
}

.post-hero-back {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
  font-weight: var(--fw-medium);
  margin-bottom: 2rem;
  transition: color var(--ease);
}
.post-hero-back:hover { color: var(--white); }

.post-hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: var(--fw-semibold);
  color: var(--white);
  max-width: 800px;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.post-hero-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  color: rgba(255,255,255,.55);
  font-size: .875rem;
}

.post-hero-sep {
  display: inline-block;
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,.22);
  vertical-align: middle;
}

/* Post body */
.post-body {
  padding-block: 6rem;
  background: var(--white);
}

.post-content {
  max-width: 700px;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text);
}

.post-content h2 {
  font-size: 1.875rem;
  margin-top: 3rem;
  margin-bottom: 1.125rem;
  color: var(--ink);
}
.post-content h3 {
  font-size: 1.375rem;
  margin-top: 2.25rem;
  margin-bottom: .875rem;
  color: var(--ink);
}
.post-content h4 {
  font-size: 1.125rem;
  margin-top: 1.75rem;
  margin-bottom: .625rem;
  color: var(--ink);
}

.post-content p   { margin-bottom: 1.375rem; }

.post-content ul,
.post-content ol  { margin-bottom: 1.375rem; padding-left: 1.75rem; }
.post-content ul  { list-style: disc; }
.post-content ol  { list-style: decimal; }
.post-content li  { margin-bottom: .5rem; }

.post-content blockquote {
  border-left: 3px solid var(--greenstone);
  padding: .875rem 1.375rem;
  margin-block: 2rem;
  background: var(--greenstone-xpale);
  border-radius: 0 4px 4px 0;
  font-style: italic;
  color: var(--text-muted);
}

.post-content code {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: .875em;
  background: var(--sand);
  padding: .15em .4em;
  border-radius: 3px;
  color: var(--greenstone);
}

.post-content pre {
  background: var(--ink);
  border-radius: 6px;
  padding: 1.5rem;
  overflow-x: auto;
  margin-block: 2rem;
}
.post-content pre code { background: none; color: rgba(255,255,255,.9); padding: 0; }

.post-content hr { border: none; border-top: 1px solid var(--border); margin-block: 2.5rem; }

.post-content a { color: var(--greenstone); text-decoration: underline; text-underline-offset: 3px; }

.post-content img { border-radius: 6px; margin-block: 2rem; }

.post-content strong { font-weight: var(--fw-semibold); color: var(--ink); }

.post-nav {
  padding-block: 3rem;
  background: var(--sand);
  border-top: 1px solid var(--sand-dark);
}

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

/* ── States ─────────────────────────────────────────────── */
.loading-state {
  padding: 4rem 0;
  text-align: center;
  color: var(--text-muted);
}
.error-state {
  padding: 4rem 0;
  text-align: center;
  color: #C0392B;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-inner { grid-template-columns: 360px 1fr; gap: 4rem; }
  .posts-grid  { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { gap: 4rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(26,43,56,.98);
    flex-direction: column;
    align-items: stretch;
    padding: .5rem var(--pad) 1.25rem;
    gap: 0;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 280ms ease, opacity 280ms ease;
    border-top: 1px solid rgba(255,255,255,.07);
  }
  .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: all; }

  .nav-links li { border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-links a  { display: block; padding: .875rem 0; font-size: .9375rem; }

  .nav-links .nav-cta {
    border: none; border-radius: 0;
    padding: .875rem 0;
    color: var(--greenstone-light);
  }
  .nav-links .nav-cta:hover { background: none; color: var(--white); }

  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-image-frame { max-width: 380px; margin: 0 auto; }

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

  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }

  .blog-list-item { grid-template-columns: 1fr; gap: .75rem; }
  .blog-list-item-date { display: flex; align-items: center; gap: .75rem; }
  .blog-list-item-date .post-tags { flex-direction: row; margin-top: 0; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }

  .post-nav-inner { flex-direction: column; gap: 1.25rem; align-items: flex-start; }
}

@media (max-width: 480px) {
  :root { --pad: 1.25rem; }

  .hero { padding-top: 9rem; padding-bottom: 5rem; }
  .section-header { flex-direction: column; align-items: flex-start; gap: .75rem; }
}