/* Base layout and theme - Professional solid colors */
:root {
  /* Background colors - solid, professional */
  --bg-primary: #0a0e17;
  --bg-secondary: #0f1419;
  --bg-tertiary: #13181f;

  /* Surface colors */
  --surface: #161b22;
  --surface-strong: #1c2128;
  --surface-hover: #21262d;

  /* Border colors */
  --border: rgba(48, 54, 61, 0.5);
  --border-strong: rgba(48, 54, 61, 0.8);

  /* Text colors */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #6e7681;

  /* Brand colors */
  --accent: #2f81f7;
  --accent-hover: #1f6feb;
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-hover: #5558e3;
  --success: #3fb950;
  --warning: #d29922;
  --error: #f85149;
  --info: #58a6ff;

  /* Spacing */
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;

  /* Shadows - subtle and professional */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);

  /* Layout */
  --max-width: 1280px;
  --transition: all 0.2s ease;
  --transition-fast: all 0.15s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.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;
}

main {
  position: relative;
  z-index: 1;
}

.wrapper {
  width: min(90%, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.surface-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.site-header.is-scrolled {
  background: var(--surface-strong);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-strong);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: white;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.brand__text {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: var(--transition);
}

/* Reduce font size for English to prevent wrapping */
[data-current-lang="en"] .nav__link,
html[lang="en"] .nav__link,
html[lang="en-US"] .nav__link {
  font-size: 0.82rem;
}

/* Also reduce CTA button text in English */
[data-current-lang="en"] .nav__cta,
html[lang="en"] .nav__cta,
html[lang="en-US"] .nav__cta {
  font-size: 0.85rem;
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link.is-active {
  color: var(--text-primary);
}

.nav__link::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.45rem;
  height: 2px;
  background: var(--accent);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.lang-switch__btn {
  position: relative;
  overflow: hidden;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
}

.lang-switch__btn:hover,
.lang-switch__btn:focus-visible {
  color: var(--text-primary);
}

.lang-switch__btn.is-active {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-sm);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  color: var(--accent);
  transition: var(--transition);
}

.nav__cta:hover {
  background: rgba(56, 189, 248, 0.2);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
}

.menu-icon {
  display: block;
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  margin: auto;
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  left: 0;
  transition: var(--transition);
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  bottom: -6px;
}

.menu-toggle[aria-expanded="true"] .menu-icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
}

.btn--primary {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  border-color: rgba(148, 163, 184, 0.24);
  background: transparent;
  color: var(--text-secondary);
}

.btn--ghost:hover {
  border-color: rgba(148, 163, 184, 0.45);
  color: var(--text-primary);
}

/* Hero */
.hero {
  display: grid;
  gap: clamp(2rem, 6vw, 4rem);
  padding-top: clamp(3rem, 9vw, 6.5rem);
  padding-bottom: clamp(2rem, 6vw, 3rem);
}

.hero__content {
  display: grid;
  gap: 1.5rem;
  max-width: 600px;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(47, 129, 247, 0.1);
  border: 1px solid rgba(47, 129, 247, 0.3);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.hero__title {
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  letter-spacing: -0.02em;
}

.hero__lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__meta {
  display: grid;
  gap: 0.65rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hero__visual {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  min-height: 280px;
}

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 15px;
  border-radius: calc(var(--radius-lg) - 12px);
  border: 1px dashed rgba(148, 163, 184, 0.25);
  pointer-events: none;
}

.hero__visual-content {
  position: relative;
  display: grid;
  gap: 1.5rem;
  z-index: 1;
}

.hero__stat-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.stat-card {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
}

.stat-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.stat-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Card grids */
.card-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 0.95rem;
  position: relative;
  overflow: hidden;
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  border: 2px solid rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: visible;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover .card__icon {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.5);
}

.card__icon--strategy::before {
  content: 'ST';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--engineering::before {
  content: 'EN';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--operations::before {
  content: 'OP';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--governance::before {
  content: 'GV';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--monitoring::before {
  content: 'MO';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--optimization::before {
  content: 'OPT';
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--sustainability::before {
  content: 'SU';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--collaboration::before {
  content: 'CO';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--evidence::before {
  content: 'EV';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--innovation::before {
  content: 'IN';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--build::before {
  content: 'BD';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--knowledge::before {
  content: 'KN';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--rag::before {
  content: 'RAG';
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--satellite::before {
  content: 'SAT';
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--data::before {
  content: 'DA';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.card__icon--security::before {
  content: 'SEC';
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
}

.card__title {
  font-size: 1.2rem;
}

.card__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card__link {
  font-size: 0.9rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.35);
}

.card:hover .card__link svg {
  transform: translateX(4px);
}

.section__head {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  gap: 0.85rem;
  max-width: 680px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.01em;
}

.section__desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

.list {
  display: grid;
  gap: 0.9rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.list li {
  display: inline-flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background: rgba(47, 129, 247, 0.1);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--accent);
  border: 1px solid rgba(47, 129, 247, 0.25);
  font-weight: 500;
}

.highlight-panel {
  display: grid;
  gap: 2rem;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: clamp(2rem, 5vw, 3rem);
  align-items: center;
}

.highlight-panel__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.highlight-panel__item {
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.18);
  padding: 1.2rem;
}

.highlight-panel__item h4 {
  margin-bottom: 0.35rem;
}

/* Insights list */
.insight-list {
  display: grid;
  gap: 1.6rem;
}

.insight {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.insight:last-child {
  border-bottom: none;
}

.insight__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: clamp(3rem, 8vw, 6rem);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer__contact {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.footer-email {
  font-size: 0.9rem;
  color: var(--accent);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-email::before {
  content: "✉";
  font-size: 1.1rem;
}

.footer-email:hover {
  color: var(--primary);
  text-decoration: underline;
}

.site-footer__links {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.site-footer__legal {
  font-size: 0.8rem;
  color: rgba(148, 163, 184, 0.6);
}

/* Contact block */
.contact-block {
  display: grid;
  gap: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 2.75rem);
  box-shadow: var(--shadow-md);
}

.contact-block__items {
  display: grid;
  gap: 1.1rem;
}

.contact-block__item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--text-secondary);
}

.contact-block__item strong {
  color: var(--text-primary);
}

.contact-email {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.05rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.contact-email::before {
  content: "✉";
  font-size: 1.2rem;
}

.contact-email:hover {
  color: var(--primary);
  text-decoration: underline;
}

.contact-block__cta {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.contact-block__cta p {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Leadership + departments */
.leader-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3rem);
  box-shadow: var(--shadow-md);
}

.leader-card__media {
  position: relative;
  display: flex;
  justify-content: center;
}

.leader-card__media img {
  width: 100%;
  max-width: 220px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}

.leader-card__hint {
  position: absolute;
  top: 18px;
  right: -20px;
  font-size: 1.4rem;
  transform-origin: center;
  animation: hintWiggle 3s ease-in-out infinite;
  pointer-events: none;
}

.leader-card__media.is-energized .leader-card__hint {
  opacity: 0;
}

.leader-card__media img:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.55);
  outline-offset: 6px;
}

.leader-card__media.is-energized img {
  transform: scale(1.08);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4), 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.leader-card__media::after {
  content: "";
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.leader-card__media.is-energized::after {
  animation: leaderRipple 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.leader-card__media::before {
  content: "";
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
  opacity: 0;
  transform: scale(0.7);
  pointer-events: none;
}

.leader-card__media.is-energized::before {
  animation: leaderRipple 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.leader-card__content {
  display: grid;
  gap: 1rem;
}

@keyframes leaderRipple {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1.4);
  }
}

/* Remove body effects - too flashy */
body.ceo-energized::before,
body.ceo-energized::after,
.leader-burst {
  display: none;
}

.department-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.department-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3vw, 2.1rem);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 1.1rem;
}

.department-card h3 {
  font-size: 1.2rem;
}

.team-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
}

.team-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.team-list strong {
  color: var(--text-primary);
  font-weight: 600;
}

.avatar {
  --avatar-bg: #6366f1;
  --avatar-clothing: rgba(15, 23, 42, 0.9);
  --avatar-accent: rgba(148, 163, 184, 0.35);
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
  background: var(--avatar-bg);
  box-shadow: 0 18px 30px rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(148, 163, 184, 0.25);
  overflow: hidden;
}

.avatar::before,
.avatar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  pointer-events: none;
}

.avatar::before {
  top: -8px;
  height: 60%;
  background: rgba(99, 102, 241, 0.05);
  border-bottom-left-radius: 24px;
  border-bottom-right-radius: 24px;
}

.avatar::after {
  bottom: -6px;
  height: 45%;
  background: var(--avatar-clothing);
  border-top-left-radius: 22px;
  border-top-right-radius: 22px;
  border-top: 1px solid var(--avatar-accent);
}

.avatar--female::before {
  background: rgba(99, 102, 241, 0.05);
  height: 68%;
}

.avatar--female::after {
  background: rgba(99, 102, 241, 0.05);
}

.avatar--male::before {
  background: rgba(99, 102, 241, 0.05);
  height: 58%;
}

.avatar--male::after {
  background: rgba(99, 102, 241, 0.05);
}

.avatar--role-engineering {
  --avatar-bg: #3b82f6;
  --avatar-clothing: rgba(30, 41, 59, 0.9);
}

.avatar--role-planner {
  --avatar-bg: #ec4899;
  --avatar-clothing: rgba(55, 48, 163, 0.9);
}

.avatar--role-design {
  --avatar-bg: #f87171;
  --avatar-clothing: rgba(30, 27, 75, 0.85);
}

.avatar--role-data {
  --avatar-bg: #34d399;
  --avatar-clothing: rgba(15, 118, 110, 0.85);
}

.avatar--role-security {
  --avatar-bg: #0ea5e9;
  --avatar-clothing: rgba(15, 23, 42, 0.9);
}

.avatar--role-success {
  --avatar-bg: #f59e0b;
  --avatar-clothing: rgba(124, 58, 237, 0.85);
}

.avatar--role-manager {
  --avatar-bg: #a855f7;
  --avatar-clothing: rgba(76, 29, 149, 0.85);
}

.avatar--stark::before {
  background: rgba(99, 102, 241, 0.05);
}

.avatar--stark::after {
  background: rgba(99, 102, 241, 0.05);
}

@keyframes leaderPulse {
  0% {
    opacity: 0.75;
    transform: scale(0.75);
  }
  60% {
    opacity: 0.2;
    transform: scale(1.5);
  }
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}

@keyframes leaderAurora {
  0% {
    opacity: 0.55;
    transform: scale(0.65) rotate(0deg);
  }
  60% {
    opacity: 0.18;
    transform: scale(1.1) rotate(120deg);
  }
  100% {
    opacity: 0;
    transform: scale(1.3) rotate(200deg);
  }
}

@keyframes leaderHalo {
  0% {
    opacity: 0.45;
    transform: scale(0.7);
  }
  60% {
    opacity: 0.18;
    transform: scale(1.25);
  }
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}

@keyframes leaderBeam {
  0% {
    opacity: 0.55;
    transform: scale(0.5) rotate(0deg);
  }
  70% {
    opacity: 0.22;
    transform: scale(1.3) rotate(180deg);
  }
  100% {
    opacity: 0;
    transform: scale(1.6) rotate(260deg);
  }
}

@keyframes leaderBurst {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  20% {
    opacity: 0.55;
    transform: scale(1.02);
  }
  60% {
    opacity: 0.28;
    transform: scale(1.1);
  }
  100% {
    opacity: 0;
    transform: scale(1.2);
  }
}

@keyframes hintWiggle {
  0%, 100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  10% {
    transform: translate3d(2px, -3px, 0) rotate(3deg);
  }
  20% {
    transform: translate3d(-1px, 2px, 0) rotate(-2deg);
  }
  30% {
    transform: translate3d(1px, -1px, 0) rotate(2deg);
  }
  40% {
    transform: translate3d(0, 1px, 0) rotate(-1deg);
  }
  50% {
    transform: translate3d(-1px, 0, 0) rotate(1deg);
  }
}

/* Article layouts */
.article-body {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.article-body p {
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.article-body pre {
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-primary);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.25);
  font-size: 0.85rem;
  overflow-x: auto;
}

.article-body code {
  font-family: "Fira Code", "Menlo", monospace;
}

.article-body .list {
  margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 960px) {
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    background: var(--surface-strong);
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    transform: translateY(-140%);
    transition: var(--transition);
    z-index: -1;
  }

  .nav.is-open {
    transform: translateY(0);
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav__cta {
    margin-top: 0.6rem;
  }

  .lang-switch {
    width: 100%;
    justify-content: flex-start;
  }

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

  .hero__visual {
    order: -1;
  }
}

@media (min-width: 961px) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    padding: 1rem 0;
  }

  .section {
    padding: 2.6rem 0;
  }

  .site-footer__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 15px;
  font-size: 8rem;
  font-family: Georgia, serif;
  color: rgba(99, 102, 241, 0.08);
  line-height: 1;
  pointer-events: none;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(99, 102, 241, 0.25);
  border-color: rgba(56, 189, 248, 0.4);
}

.testimonial-card__header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
}

.testimonial-card__avatar {
  grid-column: 1;
  grid-row: 1 / 3;
}

.testimonial-card__author h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.testimonial-card__author p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.testimonial-card__rating {
  color: #f59e0b;
  font-size: 1.1rem;
  letter-spacing: 2px;
  grid-column: 3;
  grid-row: 1;
}

.testimonial-card__content {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-card__metrics {
  display: flex;
  gap: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric__value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.metric__label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* FAQ Section */
.faq-list {
  display: grid;
  gap: 1rem;
  max-width: 900px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(56, 189, 248, 0.35);
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  padding: 1.5rem;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__question:hover {
  color: var(--accent);
}

.faq-item__answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  animation: faq-slide-down 0.3s ease;
}

@keyframes faq-slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* FAQ Styles */
.faq-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.faq-item[open] {
  border-color: var(--primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
  transition: all 0.3s ease;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: fadeInDown 0.3s ease;
}

.faq-answer p {
  margin-bottom: 1rem;
}

.faq-answer ul,
.faq-answer ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.faq-answer li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.faq-answer a {
  color: var(--accent);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.faq-answer a:hover {
  color: var(--primary);
}

.faq-answer strong {
  color: var(--text-primary);
  font-weight: 600;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ESG Section Styles */
.esg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.esg-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  transition: all 0.3s ease;
  overflow: hidden;
}

.esg-card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.2);
  transform: translateY(-4px);
}

.esg-card__header {
  padding: 2rem;
  background: rgba(99, 102, 241, 0.05);
  border-bottom: 1px solid var(--border);
}

.esg-card__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.esg-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.esg-card__content {
  padding: 2rem;
}

.esg-card__content h4 {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 1rem 0;
}

.esg-card__content h4:first-child {
  margin-top: 0;
}

.esg-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}

.esg-list li {
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  position: relative;
  line-height: 1.6;
  color: var(--text-secondary);
}

.esg-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.esg-list strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ESG Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.metric-card {
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: block;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: block;
}

/* FAQ Search Box */
.faq-search {
  margin-bottom: 2rem;
  position: relative;
}

.faq-search input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  padding-left: 3rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.faq-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.faq-search::before {
  content: "🔍";
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  opacity: 0.5;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  background: var(--surface-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.scroll-to-top:active {
  transform: translateY(-2px) scale(1.05);
}

/* Loading Skeleton Styles */
.skeleton {
  background: rgba(99, 102, 241, 0.05);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 4px;
}

.skeleton-title {
  height: 2rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-lg);
}

/* Technology Stack Grid */
.tech-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.tech-item:hover {
  transform: translateY(-8px);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.25);
}

.tech-item__abbr {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
}

.tech-item:hover .tech-item__abbr {
  color: var(--text-primary);
  transform: scale(1.1);
}

.tech-item__name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

/* Case Studies Section */
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.case-study-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.case-study-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(99, 102, 241, 0.3);
  border-color: rgba(56, 189, 248, 0.5);
}

.case-study-card__image {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--surface-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.case-study-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.case-study-card__icon {
  font-size: 2.5rem;
  z-index: 1;
  font-weight: 700;
  color: white;
  letter-spacing: -0.02em;
  font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
}

.case-study-card__image--fintech {
  background: #2563eb;
}

.case-study-card__image--healthcare {
  background: #059669;
}

.case-study-card__image--manufacturing {
  background: #ea580c;
}

.case-study-card__content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.case-study-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-study-card__tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: rgba(47, 129, 247, 0.1);
  border: 1px solid rgba(47, 129, 247, 0.25);
  border-radius: 999px;
  color: var(--info);
  font-weight: 500;
}

.case-study-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.case-study-card__description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.case-study-card__results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.case-study-result {
  text-align: center;
}

.case-study-result__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  display: block;
}

.case-study-result__label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
  margin-top: 0.25rem;
}

/* Client Logos Section */
.client-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  padding: 2rem 0;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  min-height: 100px;
}

.client-logo:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(56, 189, 248, 0.3);
  transform: scale(1.05);
}

.client-logo__text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-secondary);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.client-logo:hover .client-logo__text {
  opacity: 1;
  color: var(--text-primary);
}

/* Newsletter Section */
.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin-top: 1.5rem;
}

.newsletter-form__input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.newsletter-form__input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.newsletter-form__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.newsletter-form__button {
  padding: 0.875rem 1.75rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.newsletter-form__button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Process Timeline */
.process-timeline {
  position: relative;
  padding: 2rem 0;
  margin-top: 2rem;
}

.process-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-strong);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: center;
}

.timeline-item:nth-child(even) .timeline-item__content:first-child {
  order: 3;
}

.timeline-item__content {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.timeline-item__content:hover {
  transform: scale(1.05);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 15px 35px rgba(99, 102, 241, 0.2);
}

.timeline-item__marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  box-shadow: var(--shadow-md);
  z-index: 2;
  border: 2px solid var(--bg-primary);
}

.timeline-item__number {
  font-size: 1.1rem;
}

.timeline-item__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.timeline-item__description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .process-timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
  }

  .timeline-item__content:first-child {
    grid-column: 2;
  }

  .timeline-item:nth-child(even) .timeline-item__content:first-child {
    order: initial;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .case-study-card__results {
    grid-template-columns: 1fr;
  }
}

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

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.reduce-motion *,
.reduce-motion *::before,
.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

/* Article Modal System */
.article-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow-y: auto;
}

.article-modal.is-open {
  display: flex;
}

.article-modal__content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.article-modal__header {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  z-index: 10;
}

.article-modal__title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.article-modal__close {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.25rem;
  line-height: 1;
  transition: var(--transition);
  flex-shrink: 0;
}

.article-modal__close:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.article-modal__body {
  padding: 2rem;
}

.article-modal__section {
  margin-bottom: 2rem;
}

.article-modal__section:last-child {
  margin-bottom: 0;
}

.article-modal__section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1rem 0;
}

.article-modal__section h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin: 1.5rem 0 0.75rem 0;
}

.article-modal__section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 1rem 0;
}

.article-modal__section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

.article-modal__section li {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.article-modal__section li::before {
  content: '•';
  position: absolute;
  left: 0.5rem;
  color: var(--accent);
  font-weight: 700;
}

.article-modal__section pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.article-modal__section code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--info);
  line-height: 1.6;
}

.article-modal__tag {
  display: inline-block;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .article-modal {
    padding: 1rem;
  }

  .article-modal__content {
    max-height: 95vh;
  }

  .article-modal__header {
    padding: 1rem 1.5rem;
  }

  .article-modal__title {
    font-size: 1.25rem;
  }

  .article-modal__body {
    padding: 1.5rem;
  }
}