/* ============================
   MedWriteHub: base styles
   ============================ */

:root {
  --color-bg: #f7f5f0;
  --color-bg-alt: #efece5;
  --color-surface: #ffffff;
  --color-text: #0b2035;
  --color-text-muted: #4f6275;
  --color-border: #d9d8d0;
  --color-primary: #0b2035;
  --color-primary-rgb: 11, 32, 53;
  --color-primary-dark: #07182a;
  --color-primary-soft: #1d3448;
  --color-primary-light: #e7eaee;
  --color-accent: #0e6b69;
  --color-accent-rgb: 14, 107, 105;
  --color-accent-light: #d9efec;
  --color-accent-bright: #4fd0c0;
  --color-danger: #a3362b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(11, 32, 53, 0.08);
  --shadow-md: 0 8px 24px rgba(11, 32, 53, 0.10);
  --shadow-lg: 0 20px 48px rgba(11, 32, 53, 0.16);

  --max-width: 1160px;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-heading: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.3rem, 4.4vw, 3.7rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 2.9vw, 2.4rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p { color: var(--color-text); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-sm); }

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}
.btn-outline-light:hover { border-color: #fff; background: rgba(255, 255, 255, 0.12); }

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { background: #0a5250; }

.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  font-family: var(--font-body);
  flex-shrink: 0;
}

.brand-name { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name small {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.brand-logo {
  display: block;
  width: auto;
  height: 42px;
  flex-shrink: 0;
}

.primary-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-nav a {
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.primary-nav a:hover,
.primary-nav a.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nav-cta.btn-primary {
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--color-text);
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.eyebrow-light { background: rgba(255, 255, 255, 0.14); color: #fff; }

/* ---------- Hero (compact / interior pages) ---------- */
.hero {
  padding: 72px 0 80px;
  background: var(--color-bg);
}

.hero h1 { margin-bottom: 20px; max-width: 18ch; }

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: 28px;
}
.hero-lead-light { color: rgba(255, 255, 255, 0.82); }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.hero-note {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-style: italic;
}

/* Interior-page hero with a photographic background */
.hero-photo {
  position: relative;
  color: #fff;
  background: var(--color-primary);
  overflow: hidden;
  isolation: isolate;
}
.hero-photo-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-photo-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-photo-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(var(--color-primary-rgb), 0.96) 0%, rgba(var(--color-primary-rgb), 0.86) 40%, rgba(var(--color-primary-rgb), 0.58) 100%),
    linear-gradient(0deg, rgba(var(--color-primary-rgb), 0.35), transparent 40%);
}
.hero-photo .breadcrumbs { color: rgba(255, 255, 255, 0.6); }
.hero-photo .breadcrumbs a:hover { color: #fff; }
.hero-photo h1 { color: #fff; }

/* ---------- Home hero carousel ---------- */
.hero-carousel {
  position: relative;
  background: var(--color-primary);
  color: #fff;
  overflow: hidden;
}
.hero-carousel-track {
  position: relative;
  height: min(88vh, 760px);
  min-height: 560px;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s var(--ease);
  display: flex;
  align-items: center;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}
.hero-slide-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-slide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 7s linear;
}
.hero-slide.is-active .hero-slide-media img { transform: scale(1.14); }
.hero-slide-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(var(--color-primary-rgb), 0.94) 0%, rgba(var(--color-primary-rgb), 0.78) 38%, rgba(var(--color-primary-rgb), 0.42) 100%),
    linear-gradient(0deg, rgba(var(--color-primary-rgb), 0.5), transparent 45%);
}
.hero-slide-inner { width: 100%; }
.hero-slide-content { max-width: 620px; }
.hero-slide-content .eyebrow { margin-bottom: 22px; }
.hero-slide-content h1 { max-width: 16ch; margin-bottom: 20px; }
.hero-slide-content .hero-lead { margin-bottom: 30px; }

.hero-carousel-controls {
  position: absolute;
  left: 0; right: 0; bottom: 28px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.hero-carousel-dots { display: flex; gap: 10px; }
.hero-dot {
  width: 34px;
  height: 4px;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  padding: 0;
  position: relative;
  overflow: hidden;
}
.hero-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
}
.hero-dot.is-active::after {
  animation: hero-dot-fill 6s linear forwards;
}
@keyframes hero-dot-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
.hero-carousel-arrows { display: flex; gap: 10px; }
.hero-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.hero-arrow:hover { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.6); }

.hero-carousel-index {
  position: absolute;
  top: 28px;
  right: 24px;
  z-index: 3;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.hero-carousel-index strong { color: #fff; }

/* Trust bullet row (legacy, kept for any inline use) */
.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}
.trust-list li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-list li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ---------- Trust marquee ---------- */
.trust-marquee {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  margin: 44px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.trust-marquee-inner {
  display: flex;
  width: max-content;
  animation: marquee-scroll 34s linear infinite;
}
.trust-marquee:hover .trust-marquee-inner { animation-play-state: paused; }
.trust-marquee-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 20px 30px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-right: 1px solid var(--color-border);
}
.trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Word ticker (editorial divider) ---------- */
.word-ticker {
  background: var(--color-primary);
  overflow: hidden;
}
.word-ticker-inner {
  display: flex;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
  padding: 26px 0;
}
.word-ticker:hover .word-ticker-inner { animation-play-state: paused; }
.word-ticker-group { display: flex; align-items: center; flex-shrink: 0; }
.word-ticker-word {
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  white-space: nowrap;
  padding: 0 20px;
  color: rgba(255, 255, 255, 0.32);
}
@supports ((-webkit-text-stroke: 1px white) or (text-stroke: 1px white)) {
  .word-ticker-word {
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.55);
    text-stroke: 1.5px rgba(255, 255, 255, 0.55);
  }
}
.word-ticker-word.is-solid {
  color: var(--color-accent-bright);
  -webkit-text-stroke: 0;
  text-stroke: 0;
}
.word-ticker-dot { color: rgba(255, 255, 255, 0.28); padding: 0 4px; font-weight: 400; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; position: relative; }
.section-alt {
  background: var(--color-bg-alt);
  position: relative;
}
.section-alt::before,
.section-alt::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 72px;
  pointer-events: none;
}
.section-alt::before {
  top: 0;
  background: linear-gradient(to bottom, var(--color-bg), var(--color-bg-alt));
}
.section-alt::after {
  bottom: 0;
  background: linear-gradient(to top, var(--color-bg), var(--color-bg-alt));
}
.section-alt > .container,
.section-alt > .article {
  position: relative;
}
.section-surface { background: var(--color-surface); }
.section-tight { padding-top: 0; }
.section-narrow { padding: 56px 0; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-head p {
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-top: 10px;
}

.section-head-center {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-head-center p { margin: 10px auto 0; }

/* ---------- Split feature (image + content) ---------- */
.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-feature.is-reverse .split-media { order: 2; }
.split-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3.1;
  box-shadow: var(--shadow-lg);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-badge {
  position: absolute;
  left: 22px;
  bottom: 22px;
  right: 22px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
}
.split-badge-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}
.split-badge strong { display: block; font-size: 0.92rem; color: var(--color-text); }
.split-badge span { display: block; font-size: 0.8rem; color: var(--color-text-muted); }

.split-body .eyebrow { margin-bottom: 18px; }
.split-body h2 { margin-bottom: 18px; max-width: 14ch; }
.split-body p { color: var(--color-text-muted); margin-bottom: 16px; max-width: 46ch; }
.split-stat-row {
  display: flex;
  gap: 32px;
  margin: 28px 0 30px;
  flex-wrap: wrap;
}
.split-stat strong {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}
.split-stat span { color: var(--color-text-muted); font-size: 0.86rem; max-width: 18ch; display: block; }

/* ---------- Framework / process steps ---------- */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
}
.step-num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.step-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step-card p { color: var(--color-text-muted); font-size: 0.92rem; }

.step-list { display: grid; gap: 0; }
.step-list-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.step-list-item:first-child { padding-top: 0; }
.step-list-item:last-child { border-bottom: none; padding-bottom: 0; }
.step-list-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-accent);
}
.step-list-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.step-list-item p { color: var(--color-text-muted); font-size: 0.92rem; }

.process-list { display: grid; gap: 22px; }
.process-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: flex-start;
}
.process-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.process-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.process-item p { color: var(--color-text-muted); font-size: 0.94rem; }

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card:hover .card-media img { transform: scale(1.06); }

.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--color-primary-light);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0) 42%, rgba(var(--color-primary-rgb), 0.82) 100%);
}
.card-media-label {
  position: relative;
  z-index: 1;
  color: #fff;
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 16px;
}

.card-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }

.card-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: 999px;
}

.card-title { font-size: 1.12rem; }
.card-desc { color: var(--color-text-muted); font-size: 0.94rem; flex: 1; }

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 6px;
}

/* Service cards (home) */
.service-card { padding: 0; }
.service-card .card-media { aspect-ratio: 16 / 11; }
.service-card-body { padding: 26px 28px 28px; display: flex; flex-direction: column; gap: 10px; }
.service-card ul { display: grid; gap: 8px; margin-top: 4px; }
.service-card li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  display: flex; gap: 8px;
}
.service-card li::before { content: "•"; color: var(--color-accent); flex-shrink: 0; }

/* Feature list */
.feature-list { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.feature-item h3 { margin-bottom: 6px; font-size: 1.02rem; }
.feature-item p { color: var(--color-text-muted); font-size: 0.92rem; }

/* CTA band */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.72); margin-top: 8px; max-width: 48ch; }
.cta-band .btn-outline { border-color: rgba(255,255,255,0.35); color: #fff; }
.cta-band .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* ---------- Filter pills + search ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-pill {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.filter-pill:hover { color: var(--color-text); border-color: var(--color-primary); }
.filter-pill.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.search-box { position: relative; max-width: 260px; width: 100%; }
.search-box input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--color-surface);
}

.results-count { color: var(--color-text-muted); font-size: 0.88rem; margin-bottom: 20px; }
.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: 40px 20px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: 18px; }
.form-row { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.field .optional { font-weight: 400; color: var(--color-text-muted); }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-family: inherit;
  font-size: 0.96rem;
  color: var(--color-text);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.field textarea { resize: vertical; min-height: 130px; }

.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.field-checkbox input { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; }

.form-notice {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.form-status {
  font-size: 0.88rem;
  margin-top: 10px;
  min-height: 1.2em;
}
.form-status.success { color: var(--color-accent); }
.form-status.error { color: var(--color-danger); }

.newsletter-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  max-width: 560px;
  margin: 56px auto 0;
}
.newsletter-box h3 { margin-bottom: 8px; }
.newsletter-box p { color: var(--color-text-muted); font-size: 0.92rem; margin-bottom: 18px; }
.newsletter-row { display: flex; gap: 10px; }
.newsletter-row input { flex: 1; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); font-family: inherit; }

/* Contact page layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-list { display: grid; gap: 18px; margin: 24px 0; }
.contact-info-item h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
  font-family: var(--font-body);
  font-weight: 700;
}
.contact-info-item p { font-size: 0.98rem; }

/* ---------- Course detail ---------- */
.detail-hero {
  position: relative;
  padding: 64px 0 48px;
  color: #fff;
  background: var(--color-primary);
  overflow: hidden;
  isolation: isolate;
}
.detail-hero-media { position: absolute; inset: 0; z-index: -1; }
.detail-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(var(--color-primary-rgb), 0.95) 0%, rgba(var(--color-primary-rgb), 0.84) 42%, rgba(var(--color-primary-rgb), 0.5) 100%);
}
.detail-hero h1 { color: #fff; }
.detail-hero .breadcrumbs { color: rgba(255,255,255,0.6); }
.detail-hero .breadcrumbs a:hover { color: #fff; }

.breadcrumbs { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 18px; }
.breadcrumbs a:hover { color: var(--color-primary); }

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
  padding: 56px 0;
}

.detail-body h2 { margin-top: 40px; margin-bottom: 16px; }
.detail-body h2:first-child { margin-top: 0; }
.detail-body p { margin-bottom: 16px; color: var(--color-text-muted); }
.detail-body ul { margin-bottom: 16px; display: grid; gap: 10px; }
.detail-body ul li {
  display: flex;
  gap: 10px;
  color: var(--color-text);
  font-size: 0.98rem;
}
.detail-body ul li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 7px;
  flex-shrink: 0;
}

.sidebar-card {
  position: sticky;
  top: 96px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.sidebar-meta { display: grid; gap: 12px; margin-bottom: 24px; font-size: 0.92rem; }
.sidebar-meta div { display: flex; justify-content: space-between; gap: 12px; color: var(--color-text-muted); }
.sidebar-meta strong { color: var(--color-text); font-weight: 600; text-align: right; }

/* ---------- Institutions band ---------- */
.institutions-band {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.institutions-band .feature-list { grid-template-columns: 1fr; gap: 16px; }

/* ---------- Blog ---------- */
.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.featured-post .card-media { aspect-ratio: auto; height: 100%; min-height: 300px; }
.featured-post-body { padding: 8px 32px 8px 0; }
.featured-post-body h2 { margin: 14px 0; }

.article-header { text-align: center; max-width: 760px; margin: 0 auto; padding: 48px 24px 0; }
.article-meta { color: var(--color-text-muted); font-size: 0.92rem; margin-top: 16px; }
.article-author-note { color: var(--color-text-muted); font-size: 0.85rem; }
.article-cover { margin: 40px auto 0; max-width: 980px; padding: 0 24px; }
.article-cover .card-media { border-radius: var(--radius-lg); aspect-ratio: 21/9; }

.article-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  max-width: 980px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 96px;
  font-size: 0.85rem;
}
.article-toc h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.article-toc ul { display: grid; gap: 10px; }
.article-toc a { color: var(--color-text-muted); }
.article-toc a:hover { color: var(--color-accent); }

.article-body h2 { margin-top: 36px; margin-bottom: 14px; }
.article-body p { margin-bottom: 18px; color: var(--color-text); font-size: 1.02rem; }
.article-body ul { margin: 0 0 18px 20px; list-style: disc; }
.article-body li { margin-bottom: 8px; }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 0.92rem; }
.article-body table td, .article-body table th { border: 1px solid var(--color-border); padding: 10px 12px; text-align: left; }
.article-body table th { background: var(--color-bg-alt); font-weight: 700; }

.article-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ---------- Events ---------- */
.event-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.event-date-box {
  text-align: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
}
.event-date-box .day { font-size: 1.5rem; font-weight: 700; line-height: 1; font-family: var(--font-heading); }
.event-date-box .month { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.event-type-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.event-list { display: grid; gap: 18px; }
.archive-note {
  margin-top: 56px;
  padding: 32px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}
.archive-note h3 { margin-bottom: 8px; }
.archive-note p { color: var(--color-text-muted); }

/* ---------- About ---------- */
.about-hero { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; }
.portrait-placeholder {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--color-primary-soft), var(--color-primary));
  color: rgba(255,255,255,0.85);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  text-align: center;
  overflow: hidden;
}
.portrait-placeholder::before {
  content: "MW";
  position: absolute;
  font-family: var(--font-heading);
  font-size: 5.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.08);
  letter-spacing: -0.04em;
}
.portrait-placeholder span { position: relative; padding: 0 18px; }
.founder-portrait {
  margin: 0;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 3px solid rgba(255,255,255,0.18);
  box-shadow: 0 18px 40px rgba(0,0,0,0.28);
  background: var(--color-primary);
}
.founder-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; display: block; }
.about-hero-name { margin-top: 14px; }
.about-hero-name strong { display: block; font-size: 1.05rem; }
.about-hero-name span { color: var(--color-text-muted); font-size: 0.88rem; }

.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.placeholder-note {
  font-style: italic;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
}

.timeline { display: grid; gap: 24px; margin-top: 20px; }
.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-year { font-weight: 700; color: var(--color-accent); font-family: var(--font-heading); }
.timeline-item .placeholder { color: var(--color-text-muted); }
.timeline-item .placeholder span { display: block; }

.publication-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.publication-card .card-tag { margin-bottom: 12px; }
.publication-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.publication-meta { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.publication-methods { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.method-chip {
  font-size: 0.78rem;
  background: var(--color-bg-alt);
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--color-text-muted);
}
.publication-doi { font-size: 0.85rem; color: var(--color-text-muted); }

/* ---------- FAQ accordion ---------- */
.faq-list { display: grid; gap: 0; max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question .plus { font-size: 1.3rem; color: var(--color-accent); transition: transform 0.2s ease; flex-shrink: 0; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer p { padding-bottom: 20px; color: var(--color-text-muted); }
.faq-item.open .faq-answer { max-height: 300px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-footer .brand { color: #fff; }
.site-footer .brand-name small { color: rgba(255,255,255,0.55); }
.site-footer .brand-logo { height: 46px; padding: 5px; border-radius: 10px; background: #fff; }
.footer-brand p { color: rgba(255,255,255,0.65); margin: 14px 0 8px; max-width: 40ch; }
.footer-note { font-size: 0.82rem; color: rgba(255,255,255,0.45); font-style: italic; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: rgba(255,255,255,0.5); margin-bottom: 14px; font-family: var(--font-body); }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.8); font-size: 0.95rem; }
.footer-col a:hover { color: #fff; }
.footer-col li { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.footer-bottom { padding: 22px 24px; font-size: 0.82rem; color: rgba(255,255,255,0.5); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-primary);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.92rem;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 1000;
  max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { background: var(--color-danger); }

/* ---------- 404 ---------- */
.error-page {
  text-align: center;
  padding: 120px 24px;
}
.error-page h1 { font-size: 5rem; color: var(--color-primary); }
.error-page p { color: var(--color-text-muted); margin: 16px 0 32px; }

/* ============================
   Responsive
   ============================ */
@media (max-width: 960px) {
  .step-grid, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .value-grid { grid-template-columns: 1fr; }
  .about-hero { grid-template-columns: 1fr; }
  .founder-portrait { max-width: 240px; }
  .institutions-band { grid-template-columns: 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post-body { padding: 24px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; }
  .split-feature { grid-template-columns: 1fr; gap: 36px; }
  .split-feature.is-reverse .split-media { order: 0; }
  .split-body h2 { max-width: none; }
  .hero-carousel-track { height: min(94vh, 640px); min-height: 520px; }
}

@media (max-width: 720px) {
  .primary-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    transform: translateY(-140%);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .primary-nav.open { transform: translateY(0); opacity: 1; }
  .primary-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
  .primary-nav ul li { width: 100%; }
  .primary-nav a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--color-border); }
  .nav-toggle { display: flex; }
  .header-inner { gap: 12px; }
  .header-actions { gap: 8px; }
  .nav-cta { padding: 9px 16px; font-size: 0.85rem; }

  .step-grid, .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; gap: 32px; }
  .event-row { grid-template-columns: 64px 1fr; }
  .event-row .btn { grid-column: 1 / -1; }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 28px; }
  .section { padding: 60px 0; }
  .hero { padding: 44px 0 52px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: none; }
  .process-item { grid-template-columns: 40px 1fr; }
  .institutions-band { padding: 28px; }
  .newsletter-row { flex-direction: column; }

  .hero-carousel-track { height: 100vh; min-height: 560px; max-height: 720px; }
  .hero-slide-content { padding-bottom: 64px; }
  .hero-carousel-controls { bottom: 18px; }
  .hero-carousel-index { display: none; }
  .split-stat-row { gap: 22px; }
  .step-list-item { grid-template-columns: 36px 1fr; }
  .trust-item { padding: 16px 20px; font-size: 0.86rem; }
  .trust-marquee { margin: 28px 0; }
  .word-ticker-word { padding: 0 14px; }
}

@media (max-width: 420px) {
  .brand-name small { display: none; }
  .brand { gap: 8px; }
  .nav-cta { padding: 8px 13px; font-size: 0.8rem; }
}