/* Design taste: DESIGN_VARIANCE=7, MOTION_INTENSITY=4, VISUAL_DENSITY=4 */

:root {
  --color-bg:         #f8f8f7;
  --color-surface:    #ffffff;
  --color-border:     #e4e4e2;
  --color-text:       #0f1117;
  --color-text-muted: #6b7280;
  --color-accent:     #0e6e60;
  --color-accent-hover: #0b5a4e;
  --color-accent-light: #e6f4f2;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --radius:    8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07);
  --shadow-md: 0 4px 20px rgba(0,0,0,.09);
  --max-w:     1100px;
  --transition: 180ms ease;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }

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

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,249,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: .9rem 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
}
.nav-logo-group { display: flex; align-items: center; gap: 1rem; }

.monogram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem; height: 2rem;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--color-accent);
  position: relative;
}
.monogram::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  opacity: 0;
  animation: ring-pulse 2.2s ease-out infinite;
}
@keyframes ring-pulse {
  0%   { transform: scale(1);    opacity: .8; }
  100% { transform: scale(1.5); opacity: 0; }
}

.nav-logo {
  font-weight: 700; font-size: 1.1rem;
  letter-spacing: -.02em;
  color: transparent;
  background: linear-gradient(
    90deg,
    #0f1117 0%,
    #0f1117 30%,
    #0e6e60 48%,
    #4ecdc4 52%,
    #0f1117 70%,
    #0f1117 100%
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logo-shimmer 3.5s linear infinite;
}
@keyframes logo-shimmer {
  0%   { background-position: 200% center; }
  100% { background-position: -100% center; }
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: .9rem; font-weight: 500; color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .65rem 1.4rem; border-radius: var(--radius);
  font-size: .9rem; font-weight: 600; cursor: pointer;
  transition: all var(--transition); border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-accent); color: #fff;
}
.btn-primary:hover { background: var(--color-accent-hover); color: #fff; transform: translateY(-1px); }
.btn-secondary {
  background: transparent; color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-secondary:hover { background: var(--color-accent-light); }
.btn-ghost {
  background: transparent; color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-text-muted); color: var(--color-text); }

/* Hero */
.hero {
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--color-border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: end;
}
.hero-label {
  font-size: .75rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--color-accent);
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700; line-height: 1.1;
  letter-spacing: -.03em; margin-bottom: 1.4rem;
}
.hero-sub {
  font-size: 1.05rem; color: var(--color-text-muted);
  max-width: 480px; margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero-ctas { display: flex; gap: .75rem; flex-wrap: wrap; }
.hero-stat-block {
  display: flex; flex-direction: column; gap: 2rem;
  padding-bottom: .5rem;
}
.hero-stat { display: flex; flex-direction: column; align-items: flex-end; }
.hero-stat-num {
  font-size: 2.8rem; font-weight: 700; line-height: 1;
  letter-spacing: -.04em; color: var(--color-text);
}
.hero-stat-label {
  font-size: .75rem; color: var(--color-text-muted);
  text-align: right; margin-top: .2rem;
}

/* Services */
.section-services { padding: 5rem 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 1.5);
  overflow: hidden;
  margin-top: 2rem;
}
.service-card {
  padding: 2rem 1.8rem;
  border-right: 1px solid var(--color-border);
  display: flex; flex-direction: column; gap: .8rem;
}
.service-card:last-child { border-right: none; }
.service-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-accent);
}
.service-name { font-size: 1rem; font-weight: 600; }
.service-desc { font-size: .88rem; color: var(--color-text-muted); line-height: 1.65; }

/* Section */
.section { padding: 5rem 0; }
.section-alt { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section-title {
  font-size: 1.6rem; font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 0;
}
.section-sub {
  color: var(--color-text-muted); font-size: 1.05rem;
  margin-bottom: 3rem;
}
.section-header { margin-bottom: 3rem; }

/* Cards post */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.card-post {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 1.5);
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column; gap: .8rem;
}
.card-post:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.card-post-date { font-size: .78rem; color: var(--color-text-muted); }
.card-post-title {
  font-size: 1.05rem; font-weight: 600;
  line-height: 1.4; color: var(--color-text);
}
.card-post-excerpt {
  font-size: .9rem; color: var(--color-text-muted);
  line-height: 1.6; flex: 1;
}
.card-post-link {
  font-size: .85rem; font-weight: 600; color: var(--color-accent);
  margin-top: auto;
}

/* Tag pill */
.tag {
  display: inline-block;
  background: var(--color-accent-light); color: var(--color-accent);
  font-size: .72rem; font-weight: 600; padding: .2rem .6rem;
  border-radius: 100px; letter-spacing: .03em;
}

/* Article full */
.article-header { padding: 4rem 0 2rem; }
.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; line-height: 1.2;
  letter-spacing: -.02em; margin-bottom: 1rem;
}
.article-meta { color: var(--color-text-muted); font-size: .9rem; }
.article-body {
  max-width: 720px; margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}
.article-body p { margin-bottom: 1.2rem; line-height: 1.8; }
.article-body h2 { font-size: 1.4rem; margin: 2rem 0 .8rem; }
.article-source {
  margin-top: 2rem; padding: 1rem 1.2rem;
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .9rem;
}

/* Form */
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block; font-size: .85rem; font-weight: 500;
  margin-bottom: .4rem;
}
.form-group input, .form-group textarea {
  width: 100%; padding: .7rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans); font-size: .95rem;
  transition: border-color var(--transition);
  background: var(--color-surface);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-accent);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-hidden { display: none; } /* honeypot */
.form-feedback { margin-top: 1rem; font-size: .9rem; font-weight: 500; }
.form-feedback.ok { color: var(--color-accent); }
.form-feedback.err { color: #dc2626; }

/* Lab cards */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.lab-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.lab-card-icon { font-size: 2rem; }
.lab-card-title { font-size: 1.1rem; font-weight: 700; }
.lab-card-desc { font-size: .9rem; color: var(--color-text-muted); flex: 1; }
.lab-card-upcoming { background: var(--color-bg); }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem; align-items: start;
}
/* Hamburger button — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; background: none; border: none;
  cursor: pointer; padding: 8px; flex-shrink: 0;
}
.nav-toggle span {
  display: block; width: 100%; height: 2px; border-radius: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}
/* X state */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-stat-block { flex-direction: row; gap: 2rem; }
  .hero-stat { align-items: flex-start; }
  .hero-stat-label { text-align: left; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { border-right: none; border-bottom: 1px solid var(--color-border); }
  .service-card:last-child { border-bottom: none; }

  .nav { position: relative; }
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0; z-index: 99;
    flex-direction: column; gap: 0;
    background: rgba(250,250,249,.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: .5rem 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: .85rem 1.5rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links a:last-child { border-bottom: none; }
}
.about-avatar {
  width: 100%; aspect-ratio: 1;
  border-radius: 50%;
  background: transparent;
  overflow: hidden;
}
.about-bio p { margin-bottom: 1.2rem; line-height: 1.8; font-size: 1.05rem; }

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: .85rem;
}

/* Blog timeline */
.tl-day {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}
.tl-day:last-child { border-bottom: 1px solid var(--color-border); }

.tl-date {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: .15rem;
}
.tl-date-inner {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.tl-day-num {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -.04em;
  color: var(--color-text);
}
.tl-day-month {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--color-accent);
  margin-top: .1rem;
}
.tl-day-year {
  font-size: .7rem;
  color: var(--color-text-muted);
  margin-top: .1rem;
}
.tl-weekday {
  font-size: .7rem;
  color: var(--color-text-muted);
  margin-top: .6rem;
  text-transform: capitalize;
}

.tl-posts {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.tl-post {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto;
  padding: .9rem 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition);
}
.tl-post:last-child { border-bottom: none; }
.tl-post:hover .tl-post-title { color: var(--color-accent); }
.tl-post:hover .tl-post-arrow { transform: translateX(3px); color: var(--color-accent); }

.tl-post-title {
  grid-column: 1;
  grid-row: 1;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  transition: color var(--transition);
}
.tl-post-excerpt {
  grid-column: 1;
  grid-row: 2;
  font-size: .82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: .25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tl-post-arrow {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  font-size: .9rem;
  color: var(--color-text-muted);
  transition: transform var(--transition), color var(--transition);
}

@media (max-width: 768px) {
  .tl-day { grid-template-columns: 1fr; gap: 1rem; }
  .tl-date { flex-direction: row; align-items: baseline; gap: .6rem; }
  .tl-date-inner { flex-direction: row; align-items: baseline; gap: .35rem; }
  .tl-day-num { font-size: 1.8rem; }
  .tl-weekday { margin-top: 0; }
}

/* Pagination */
.pagination {
  display: flex; gap: .5rem; justify-content: center;
  margin-top: 3rem; flex-wrap: wrap;
}
.pagination button {
  padding: .5rem .9rem; border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface); cursor: pointer;
  font-size: .85rem; transition: all var(--transition);
}
.pagination button.active,
.pagination button:hover {
  border-color: var(--color-accent);
  background: var(--color-accent); color: #fff;
}

/* Utility */
.text-muted { color: var(--color-text-muted); }
.divider { border: none; border-top: 1px solid var(--color-border); margin: 3rem 0; }