/* ═══════════════════════════════════════════════════════
   Elite Health Engineering — Light Blue-Violet Theme
   ═══════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg-primary: #f8f9fc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f4f9;
  --bg-tinted: #eef0f7;
  --accent: #4f46e5;
  --accent-light: #6366f1;
  --accent-dark: #3730a3;
  --accent-glow: rgba(79, 70, 229, 0.08);
  --accent-violet: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #4f46e5, #7c3aed);
  --text-primary: #1e1b4b;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --border: rgba(79, 70, 229, 0.15);
  --border-subtle: rgba(30, 27, 75, 0.08);
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --shadow-sm: 0 1px 3px rgba(30,27,75,0.04), 0 1px 2px rgba(30,27,75,0.03);
  --shadow-md: 0 4px 16px rgba(79, 70, 229, 0.07);
  --shadow-lg: 0 12px 40px rgba(79, 70, 229, 0.10);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--accent-light);
}

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

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

.section {
  padding: 100px 0;
  position: relative;
}

/* ── Section Headers ── */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--accent-glow);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(79, 70, 229, 0.4);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-glow);
  border-color: var(--accent-light);
  color: var(--accent-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

/* ═══════════════════ NAVBAR ═══════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
}

/* In hero, logo text is white */
.hero ~ .navbar .nav-logo,
.nav-logo {
  color: var(--text-primary);
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-logo-img {
  width: 40px;
  height: 40px;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  width: 100%;
}

/* When navbar is over hero (not scrolled), make text white */
.navbar:not(.scrolled) .nav-logo {
  color: #ffffff;
}

.navbar:not(.scrolled) .nav-links a {
  color: rgba(255,255,255,0.8);
}

.navbar:not(.scrolled) .nav-links a:hover {
  color: #ffffff;
}

.navbar:not(.scrolled) .lang-toggle {
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.2);
}

.navbar:not(.scrolled) .lang-option.active {
  color: #ffffff;
}

.navbar:not(.scrolled) .hamburger span {
  background: #ffffff;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.lang-toggle:hover {
  border-color: var(--accent);
}

.lang-separator {
  opacity: 0.3;
}

.lang-option {
  transition: color var(--transition);
}

.lang-option.active {
  color: var(--accent);
}

.nav-cta {
  padding: 8px 20px;
  background: var(--accent-gradient);
  color: #ffffff !important;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-cta:hover {
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
  color: #ffffff !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════════════ HERO ═══════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #4338ca 60%, #6366f1 100%);
  color: #ffffff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.2) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
}

/* DNA Helix Animation */
.dna-helix {
  position: absolute;
  right: 10%;
  top: 0;
  bottom: 0;
  width: 200px;
  opacity: 0.08;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,0.3) 30px,
    rgba(255,255,255,0.3) 31px,
    transparent 31px,
    transparent 60px
  );
  animation: dnaFloat 20s linear infinite;
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

.dna-helix-2 {
  right: auto;
  left: 5%;
  width: 150px;
  opacity: 0.05;
  animation-duration: 25s;
  animation-direction: reverse;
}

@keyframes dnaFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(-60px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
  padding: 8px 20px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 30px;
  background: rgba(255,255,255,0.08);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: #ffffff;
}

.hero-title-accent {
  background: linear-gradient(135deg, #c4b5fd, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: #ffffff;
  color: var(--accent-dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.hero .btn-primary:hover {
  box-shadow: 0 6px 30px rgba(0,0,0,0.25);
  color: var(--accent-dark);
}

.hero .btn-outline {
  color: #ffffff;
  border-color: rgba(255,255,255,0.4);
}

.hero .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: #ffffff;
}

.hero-trust {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.trust-icon {
  font-size: 1.1rem;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(12px); }
}

/* ═══════════════════ ABOUT ═══════════════════ */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: start;
}

.about-photo {
  position: sticky;
  top: 120px;
}

.about-photo-img {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  margin: 0 auto 24px;
  box-shadow: var(--shadow-md);
  display: block;
}

.about-credentials {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.credential {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-highlight {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
  padding: 24px;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.highlight-stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Clients Section */
.about-clients {
  margin-top: 28px;
  padding: 24px;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.clients-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.clients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.client-badge {
  padding: 8px 18px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-dark);
}

.about-media {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.media-badge {
  padding: 6px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.media-badge-link {
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.media-badge-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-1px);
}

/* Lectures & Interviews */
.about-lectures {
  margin-top: 32px;
  padding: 24px;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.lectures-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.lectures-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lecture-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.lecture-card:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateX(4px);
  color: inherit;
}

.lecture-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.lecture-card strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.lecture-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ═══════════════════ SERVICES ═══════════════════ */
.services {
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.service-card {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card-featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.04) 0%, var(--bg-card) 100%);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 12px;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 20px;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.service-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

/* Disease Analysis */
.disease-analysis {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.disease-analysis::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.da-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.da-icon {
  font-size: 4rem;
  flex-shrink: 0;
}

.da-text h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.da-text > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.da-includes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.da-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.da-check {
  color: var(--accent);
  font-weight: 700;
}

/* ═══════════════════ ADVISORY ═══════════════════ */
.advisory {
  background: var(--bg-secondary);
}

.advisory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.advisory-card {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.advisory-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.advisory-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.advisory-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.advisory-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

.advisory-past {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.past-badge {
  padding: 4px 12px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 0.75rem;
  color: var(--accent);
}

.advisory-includes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ═══════════════════ BLOG ═══════════════════ */
.blog {
  background: var(--bg-primary);
}

.blog-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.blog-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.blog-category {
  padding: 4px 12px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.blog-read-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.blog-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex-grow: 1;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

.blog-link:hover {
  gap: 10px;
}

.blog-cta {
  text-align: center;
  margin-top: 40px;
}

/* ═══════════════════ TOOLKIT ═══════════════════ */
.toolkit {
  background: var(--bg-secondary);
  opacity: 0.45;
  position: relative;
}

.toolkit .section-tag,
.toolkit .section-title,
.toolkit .section-subtitle {
  opacity: 0.7;
}

.toolkit-coming-soon {
  text-align: center;
}

.tk-badge {
  display: inline-block;
  padding: 8px 24px;
  background: #9ca3af;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 20px;
  margin-bottom: 40px;
}

.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.toolkit-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.toolkit-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.toolkit-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.toolkit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.toolkit-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.toolkit-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: 12px;
  font-size: 0.75rem;
  color: #059669;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ═══════════════════ CASE STUDIES ═══════════════════ */
.cases {
  background: var(--bg-primary);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.case-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-metric {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.case-before {
  font-size: 1.3rem;
  color: var(--text-muted);
  font-weight: 600;
}

.case-arrow {
  color: var(--accent);
  font-size: 1.5rem;
}

.case-after {
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 700;
}

.case-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.case-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.case-duration {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 4px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
}

/* ═══════════════════ COURSES ═══════════════════ */
.courses {
  background: var(--bg-secondary);
  opacity: 0.45;
  position: relative;
}

.courses .section-tag,
.courses .section-title {
  opacity: 0.7;
}

.courses-coming-soon {
  text-align: center;
}

.cs-badge {
  display: inline-block;
  padding: 8px 24px;
  background: #9ca3af;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 20px;
  margin-bottom: 40px;
}

.courses-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.course-teaser {
  padding: 32px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  text-align: left;
}

.course-teaser h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.course-teaser p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.courses-signup p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ═══════════════════ FAQ ═══════════════════ */
.faq {
  background: var(--bg-primary);
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

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

.faq-toggle {
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ═══════════════════ NEWSLETTER ═══════════════════ */
.newsletter {
  background: linear-gradient(135deg, #1e1b4b, #312e81, #4338ca);
  color: #ffffff;
}

.newsletter-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #ffffff;
  -webkit-text-fill-color: unset;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.newsletter-content > p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.8;
}

.newsletter .email-input {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #ffffff;
}

.newsletter .email-input::placeholder {
  color: rgba(255,255,255,0.5);
}

.newsletter .email-input:focus {
  border-color: rgba(255,255,255,0.5);
}

.newsletter .btn-primary {
  background: #ffffff;
  color: var(--accent-dark);
}

.newsletter-social {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.social-link:hover {
  color: #ffffff;
}

.social-icon {
  font-size: 1.2rem;
}

/* ═══════════════════ FORMS ═══════════════════ */
.email-form,
.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 450px;
  margin: 0 auto;
}

.email-input {
  flex: 1;
  padding: 12px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}

.email-input:focus {
  border-color: var(--accent);
}

.email-input::placeholder {
  color: var(--text-muted);
}

/* ═══════════════════ CONTACT / BOOKING ═══════════════════ */
.contact {
  background: var(--bg-secondary);
}

/* Booking Flow */
.booking-flow {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.booking-step {
  position: relative;
}

.step-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Form rows */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Service Selection */
.service-select-group {
  margin-bottom: 28px;
}

.service-select-group:last-child {
  margin-bottom: 0;
}

.service-group-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.service-group-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-option {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.service-option:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
}

.service-option input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.service-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
}

.option-content {
  flex: 1;
  min-width: 0;
}

.option-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 4px;
}

.option-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.option-price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.option-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Featured service option */
.service-option-featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.04), rgba(124, 58, 237, 0.04));
  position: relative;
}

/* Workflow Steps */
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.workflow-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.workflow-item:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
}

.workflow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.workflow-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.workflow-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Payment Note */
.payment-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.payment-note-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.payment-note p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Booking CTA */
.booking-cta-card {
  text-align: center;
  padding: 40px 32px;
  background: linear-gradient(135deg, #1e1b4b, #312e81, #4338ca);
  border-radius: var(--radius-lg);
  color: #ffffff;
}

.booking-cta-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.booking-cta-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

.booking-cta-card .btn-primary {
  background: #ffffff;
  color: var(--accent-dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.booking-cta-card .btn-primary:hover {
  box-shadow: 0 6px 30px rgba(0,0,0,0.25);
  color: var(--accent-dark);
}

/* Contact Methods Row */
.contact-methods-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.contact-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-method strong {
  display: block;
  font-size: 0.82rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.contact-method a,
.contact-method span:not(.contact-icon) {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ═══════════════════ FOOTER ═══════════════════ */
.footer {
  padding: 60px 0 32px;
  background: var(--text-primary);
  color: rgba(255,255,255,0.7);
}

.footer a {
  color: rgba(255,255,255,0.6);
}

.footer a:hover {
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  filter: brightness(2);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
}

.footer-disclaimer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-disclaimer p {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
  line-height: 1.5;
  margin-bottom: 8px;
}

.footer-disclaimer p:last-child {
  margin-bottom: 0;
}

/* ═══════════════════ SCROLL ANIMATIONS ═══════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .toolkit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 27, 75, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links.active a {
    color: rgba(255,255,255,0.8) !important;
    font-size: 1.2rem;
  }

  .nav-links.active a:hover {
    color: #ffffff !important;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .nav-cta {
    display: none;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-photo {
    position: static;
    text-align: center;
  }

  .about-highlight {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

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

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

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

  .courses-preview {
    grid-template-columns: 1fr;
  }

  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }

  .option-header {
    flex-direction: column;
    gap: 4px;
  }

  .contact-methods-row {
    flex-direction: column;
    align-items: stretch;
  }

  .workflow-item {
    padding: 14px 16px;
  }

  .booking-cta-card {
    padding: 28px 20px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-trust {
    flex-direction: column;
    gap: 12px;
  }

  .section {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 16px 60px;
  }

  .container {
    padding: 0 16px;
  }

  .blog-filters {
    gap: 6px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.75rem;
  }
}

/* ============ Книги ============ */
/* Переключатель языка ставит data-lang на <html>, этим и пользуемся:
   русский блок скрывается в EN, английский — виден только в EN. */
.en-only { display: none; }
html[data-lang="en"] .en-only { display: block; }
html[data-lang="en"] .ru-only { display: none; }

.book-showcase {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
}
.book-cover-link { display: block; transition: transform var(--transition); }
.book-cover-link:hover { transform: translateY(-6px); }
.book-cover {
  width: 100%;
  height: auto;
  border-radius: 4px 10px 10px 4px;
  box-shadow: -10px 16px 0 var(--bg-tinted), -20px 34px 46px rgba(79, 70, 229, .18);
}
.book-badge {
  display: inline-block;
  margin-bottom: 18px;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.book-heading {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.1;
  color: var(--text-primary);
}
.book-lede { margin: 0 0 26px; color: var(--text-secondary); font-size: 17px; line-height: 1.68; }
.book-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin: 0 0 30px;
  padding: 20px 0 0;
  border-top: 1px solid var(--border-subtle);
  list-style: none;
  color: var(--text-muted);
  font-size: 13px;
}
.book-facts strong { display: block; color: var(--text-primary); font-size: 22px; font-weight: 800; }
.book-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.book-price { color: var(--accent-violet); font-size: 24px; font-weight: 800; }

.books-coming-soon {
  max-width: 720px;
  margin-inline: auto;
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.books-coming-soon h3 {
  margin: 20px 0 14px;
  font-family: var(--font-heading);
  font-size: 32px;
  color: var(--text-primary);
}
.books-coming-soon p { margin: 0 0 14px; color: var(--text-secondary); line-height: 1.68; }
.books-note { color: var(--text-muted); font-size: 14px; }

@media (max-width: 860px) {
  .book-showcase { grid-template-columns: 1fr; gap: 34px; padding: 32px 24px; }
  .book-cover-link { max-width: 240px; margin-inline: auto; }
  .book-facts { gap: 18px; }
  .books-coming-soon { padding: 34px 24px; }
}