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

:root {
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-primary-bg: #eff6ff;
  --color-dark: #0f172a;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-success: #059669;
  --color-success-light: #34d399;
  --color-star: #f59e0b;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px -10px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  color: var(--color-dark);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-lg); }

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

.btn--white { background: #fff; color: var(--color-primary); }
.btn--white:hover { background: var(--color-primary-bg); transform: translateY(-1px); box-shadow: var(--shadow-lg); }

.btn--lg { padding: 16px 32px; font-size: 1rem; border-radius: var(--radius); }
.btn--sm { padding: 8px 16px; font-size: 0.85rem; border-radius: 6px; }
.btn--messenger { background: #0084ff; color: #fff; }
.btn--messenger:hover { background: #006acc; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,132,255,0.3); }
.btn--full { width: 100%; }

.step__actions { display: flex; gap: 10px; justify-content: center; margin-top: 16px; flex-wrap: wrap; }

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.nav--scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  gap: 28px;
}

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

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

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

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== Language Selector ===== */
.lang-selector {
  position: relative;
}

.lang-selector__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  transition: all var(--transition);
}

.lang-selector__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.lang-selector__btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.lang-selector__chevron {
  transition: transform 0.2s;
}

.lang-selector.open .lang-selector__chevron {
  transform: rotate(180deg);
}

.lang-selector__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 100;
  overflow: hidden;
}

.lang-selector.open .lang-selector__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-selector__option {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-selector__option:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.lang-selector__option.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, #fff 50%, #f0f9ff 100%);
  z-index: -1;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30,64,175,0.06) 0%, transparent 70%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 24px;
  border: 1px solid rgba(30,64,175,0.15);
}

.hero__content h1 { margin-bottom: 20px; }

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero__actions { display: flex; gap: 16px; margin-bottom: 48px; }

.hero__stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.hero__stat strong { display: block; font-size: 1.75rem; color: var(--color-dark); letter-spacing: -0.02em; }
.hero__stat span { font-size: 0.85rem; color: var(--color-text-light); }
.hero__stat-divider { width: 1px; height: 40px; background: var(--color-border); }

.hero__image { position: relative; }
.hero__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.hero__image::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  opacity: 0.1;
  z-index: -1;
}

/* ===== Page Header ===== */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, #fff 100%);
  text-align: center;
}

.page-header .section__label { margin-bottom: 12px; }
.page-header h1 { margin-bottom: 16px; }

.page-header p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Trusted ===== */
.trusted {
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.trusted__label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  margin-bottom: 24px;
}

.trusted__logos {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.trusted__scroll {
  display: flex;
  gap: 48px;
  animation: scroll-logos 20s linear infinite;
  width: max-content;
}

@keyframes scroll-logos {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.trusted__logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-light);
  opacity: 0.4;
  letter-spacing: -0.01em;
}

/* ===== Section ===== */
.section { padding: 100px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-dark); color: #fff; }
.section--cta { background: linear-gradient(135deg, var(--color-primary-bg) 0%, #dbeafe 100%); }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section__label--light { color: var(--color-primary-light); }
.section__header p { margin-top: 16px; font-size: 1.1rem; color: var(--color-text-light); }

/* ===== Steps ===== */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.step {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: 0 24px;
}

.step__number {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.step__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step h3 { margin-bottom: 12px; }
.step p { font-size: 0.95rem; color: var(--color-text-light); line-height: 1.6; }

.step__connector {
  display: flex;
  align-items: center;
  padding-top: 56px;
}

/* ===== Features ===== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature {
  padding: 32px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.feature:hover {
  border-color: rgba(30,64,175,0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature h3 { margin-bottom: 10px; }
.feature p { font-size: 0.93rem; color: var(--color-text-light); line-height: 1.65; }

/* ===== Programs ===== */
.programs { display: flex; flex-direction: column; gap: 32px; }

.program {
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all 0.3s ease;
}

.program:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.program--featured { display: grid; grid-template-columns: 1fr 1fr; }

.program__image { position: relative; overflow: hidden; }
.program--featured .program__image { min-height: 360px; }

.program__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.program:hover .program__image img { transform: scale(1.03); }

.program__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: var(--color-success);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
}

.program__badge--soon { background: var(--color-primary); }

.program__content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.program__category {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.program__content h3 { font-size: 1.5rem; margin-bottom: 12px; }
.program--featured .program__content h3 { font-size: 1.75rem; }
.program__content p { color: var(--color-text-light); font-size: 0.95rem; line-height: 1.65; margin-bottom: 20px; }

.program__meta {
  display: flex;
  gap: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.program__meta span { font-size: 0.85rem; color: var(--color-text-light); }
.program__meta strong { color: var(--color-dark); }

.program__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.program__grid .program__image { height: 220px; }
.program__grid .program__content { padding: 24px; }

/* ===== Tester Section ===== */
.tester-section { padding: 100px 0; }

.tester-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tester-section h2 { margin-bottom: 16px; }
.tester-section p.lead { color: var(--color-text-light); font-size: 1.05rem; line-height: 1.7; margin-bottom: 28px; }

.tester-section__perks { list-style: none; margin-bottom: 36px; }

.tester-section__perks li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  font-size: 0.95rem;
  padding: 8px 0;
}

.tester-section__perks li svg { flex-shrink: 0; }

.tester-section__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: 480px;
  object-fit: cover;
}

/* ===== Testimonials ===== */
/* Testimonials Carousel */
.testimonials-carousel {
  position: relative;
  overflow: hidden;
  margin: 0 -24px;
  padding: 0 24px;
}

.testimonials-track {
  display: flex;
  gap: 32px;
  transition: transform 0.5s ease;
}

.testimonials-track .testimonial {
  min-width: calc(33.333% - 22px);
  flex-shrink: 0;
}

.testimonials-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.testimonials-prev,
.testimonials-next {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--color-text);
}

.testimonials-prev:hover,
.testimonials-next:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.testimonials-dots {
  display: flex;
  gap: 8px;
}

.testimonials-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.testimonials-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.testimonial {
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.testimonial:hover { box-shadow: var(--shadow-lg); }
.testimonials-carousel .testimonial { opacity: 1 !important; transform: none !important; }
.testimonials-carousel .testimonial:hover { box-shadow: var(--shadow-lg); }
.testimonial__stars { display: flex; gap: 2px; margin-bottom: 16px; }

.testimonial blockquote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial__author { display: flex; align-items: center; gap: 12px; }

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.testimonial__author strong { display: block; font-size: 0.9rem; color: var(--color-dark); }
.testimonial__author span { font-size: 0.8rem; color: var(--color-text-light); }

/* ===== FAQ ===== */
.faq { max-width: 720px; margin: 0 auto; }

.faq__item { border-bottom: 1px solid var(--color-border); }

.faq__item summary {
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
}

.faq__item summary:hover { color: var(--color-primary); }

.faq__item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-text-light);
  transition: transform 0.3s ease;
}

.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item p { padding: 0 0 20px; color: var(--color-text-light); font-size: 0.95rem; line-height: 1.7; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.contact-card {
  padding: 40px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.contact-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.contact-card h3 { margin-bottom: 12px; }
.contact-card p { color: var(--color-text-light); font-size: 0.95rem; line-height: 1.6; margin-bottom: 16px; }

.contact-card__email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: color var(--transition);
}

.contact-card__email:hover { color: var(--color-primary-dark); }

.contact-card__meta {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

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

.contact-info {
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}

.contact-info h3 { font-size: 1.1rem; margin-bottom: 8px; }
.contact-info p { color: var(--color-text-light); font-size: 0.93rem; line-height: 1.6; }

/* ===== CTA Section ===== */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 { margin-bottom: 16px; }
.cta-section p { color: var(--color-text-light); font-size: 1.05rem; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-section .cta-actions { display: flex; gap: 16px; justify-content: center; }

/* ===== Footer ===== */
.footer {
  background: var(--color-dark);
  color: #94a3b8;
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
}

.footer__brand .nav__logo { margin-bottom: 16px; }
.footer__brand .nav__logo span { color: #fff; }
.footer__brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }

.footer__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer__col h4 { color: #fff; font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; }
.footer__col a { display: block; font-size: 0.88rem; color: #94a3b8; padding: 4px 0; transition: color var(--transition); }
.footer__col a:hover { color: #fff; }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid #1e293b;
  font-size: 0.85rem;
}

.footer__legal { display: flex; gap: 24px; }
.footer__legal a { color: #64748b; transition: color var(--transition); }
.footer__legal a:hover { color: #fff; }

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-dark: #f1f5f9;
  --color-text: #cbd5e1;
  --color-text-light: #94a3b8;
  --color-border: #334155;
  --color-primary-bg: rgba(30,64,175,0.15);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.35), 0 4px 6px -4px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 50px -10px rgba(0,0,0,0.5);
}

[data-theme="dark"] .nav {
  background: rgba(15,23,42,0.92);
}

[data-theme="dark"] .nav__links.active {
  background: rgba(15,23,42,0.98);
}

[data-theme="dark"] .lang-selector__dropdown {
  background: #1e293b;
}

[data-theme="dark"] .lang-selector__btn {
  background: #1e293b;
}

[data-theme="dark"] .hero__bg {
  background: linear-gradient(135deg, rgba(30,64,175,0.1) 0%, #0f172a 50%, #0f172a 100%);
}

[data-theme="dark"] .page-header {
  background: linear-gradient(135deg, rgba(30,64,175,0.1) 0%, #0f172a 100%);
}

[data-theme="dark"] .section--cta {
  background: linear-gradient(135deg, rgba(30,64,175,0.12) 0%, rgba(30,64,175,0.06) 100%);
}

[data-theme="dark"] .btn--outline {
  border-color: var(--color-border);
  color: var(--color-text);
}

[data-theme="dark"] .btn--white {
  background: #1e293b;
  color: var(--color-primary-light);
}

[data-theme="dark"] .btn--white:hover {
  background: rgba(30,64,175,0.15);
}

/* ===== Theme Toggle ===== */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun,
:root:not([data-theme]) .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

/* ===== Enhanced Micro-Interactions ===== */

/* Feature card gradient border on hover */
.feature {
  position: relative;
  background-clip: padding-box;
}

.feature::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary), var(--color-primary-light));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.feature:hover::before {
  opacity: 1;
}

.feature:hover {
  border-color: transparent;
}

/* Program card colored shadow lift */
.program:hover {
  box-shadow: 0 12px 32px -8px rgba(30,64,175,0.2), 0 4px 8px -2px rgba(30,64,175,0.08);
  transform: translateY(-4px);
}

/* Button ripple/glow effect */
.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.25) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn--primary:hover::after {
  opacity: 1;
}

.btn--primary:hover {
  box-shadow: 0 0 20px rgba(30,64,175,0.35), var(--shadow-lg);
}

/* Contact card lift effect */
.contact-card {
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px -8px rgba(30,64,175,0.15), var(--shadow-lg);
  border-color: rgba(30,64,175,0.2);
}

/* Counter animation helper */
.counter-animate {
  display: inline-block;
  transition: transform 0.15s ease;
}

.counter-animate.tick {
  transform: scale(1.08);
}

/* Parallax-ready */
.parallax {
  will-change: transform;
}

/* ===== Messenger Widget ===== */
.messenger-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #0084ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,132,255,0.4);
  transition: all 0.3s ease;
  z-index: 9998;
  cursor: pointer;
}

.messenger-widget:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,132,255,0.5);
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 20px;
  z-index: 9999;
  display: none;
  animation: cookieSlideUp 0.4s ease;
}

@keyframes cookieSlideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.cookie-banner.hidden {
  animation: cookieSlideDown 0.3s ease forwards;
}

@keyframes cookieSlideDown {
  from { transform: translateY(0); }
  to { transform: translateY(100%); }
}

.cookie-banner__content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cookie-banner__content p {
  color: #cbd5e1;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.cookie-banner__accept {
  padding: 10px 24px;
  font-size: 0.88rem;
}

.cookie-banner__decline {
  padding: 10px 24px;
  font-size: 0.88rem;
  border-color: #475569;
  color: #cbd5e1;
}

.cookie-banner__decline:hover {
  border-color: #94a3b8;
  color: #fff;
  background: rgba(255,255,255,0.05);
}

/* ===== Results Stats ===== */
.results-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.result-stat {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.result-stat:hover {
  border-color: rgba(30,64,175,0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.result-stat__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.result-stat__icon--blue { background: #eff6ff; color: #1e40af; }
.result-stat__icon--blue svg { stroke: #1e40af; }
.result-stat__icon--green { background: #ecfdf5; color: #059669; }
.result-stat__icon--green svg { stroke: #059669; }
.result-stat__icon--amber { background: #fffbeb; color: #d97706; }
.result-stat__icon--amber svg { stroke: #d97706; }
.result-stat__icon--purple { background: #f5f3ff; color: #7c3aed; }
.result-stat__icon--purple svg { stroke: #7c3aed; }

.result-stat__number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.03em;
  line-height: 1;
  display: inline;
}

.result-stat__suffix {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline;
}

.result-stat h3 {
  margin-top: 8px;
  margin-bottom: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
}

.result-stat p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== Comparison Bars ===== */
.comparison {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.comparison__row {
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.comparison__label {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
}

.comparison__bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.comparison__bar-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.comparison__bar-track {
  width: 100%;
  height: 32px;
  background: var(--color-bg-alt);
  border-radius: 6px;
  overflow: hidden;
}

.comparison__bar {
  height: 100%;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  transition: width 1s ease;
}

.comparison__bar--traditional {
  background: linear-gradient(90deg, #94a3b8, #64748b);
}

.comparison__bar--truetest {
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary));
}

/* ===== Case Studies ===== */
.case-studies {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-study {
  padding: 40px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.case-study:hover {
  border-color: rgba(30,64,175,0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.case-study__badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-success);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.case-study__badge--blue { background: var(--color-primary); }

.case-study h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.case-study__metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.case-study__number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.case-study__metric-label {
  font-size: 1rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.case-study p {
  font-size: 0.93rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.case-study__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.case-study__tags span {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 50px;
}

/* ===== 404 Error Page ===== */
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 72px - 73px);
  padding: 140px 0 80px;
}

.error-page__content {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.error-page__code {
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.error-page h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 12px;
}

.error-page p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  line-height: 1.6;
}

.error-page__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.footer--minimal {
  padding: 0;
}

.footer--minimal .footer__bottom {
  justify-content: center;
}

/* ===== CTA (shared) ===== */
.btn--outline-white {
  border-color: rgba(255,255,255,0.3);
  color: var(--color-primary);
  background: transparent;
}

.btn--outline-white:hover {
  border-color: var(--color-primary);
  background: rgba(30,64,175,0.06);
}

.cta {
  text-align: center;
  padding: 64px 40px;
  border-radius: var(--radius-lg);
}

.cta__content h2 { margin-bottom: 16px; color: var(--color-dark); }
.cta__content p { color: var(--color-text-light); font-size: 1.1rem; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta__actions { display: flex; gap: 16px; justify-content: center; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__image { max-width: 560px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .program--featured { grid-template-columns: 1fr; }
  .tester-section__inner { grid-template-columns: 1fr; gap: 40px; }
  .tester-section__image { order: -1; }
  .tester-section__image img { height: 320px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .results-stats { grid-template-columns: repeat(2, 1fr); }
  .testimonials-track .testimonial {
    min-width: calc(50% - 16px);
  }
}

@media (max-width: 768px) {
  .cookie-banner__content {
    flex-direction: column;
    text-align: center;
  }
  .cookie-banner__content p {
    font-size: 0.85rem;
  }
  .messenger-widget {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 20px;
  }

  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .nav__links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }

  .hero { padding: 120px 0 60px; }
  .hero__stats { flex-wrap: wrap; gap: 24px; }
  .hero__stat-divider { display: none; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .section { padding: 72px 0; }
  .steps { flex-direction: column; gap: 40px; align-items: center; }
  .step__connector { display: none; }
  .features { grid-template-columns: 1fr; }
  .program__grid { grid-template-columns: 1fr; }
  .testimonials-track .testimonial {
    min-width: 100%;
  }
  .contact-info-grid { grid-template-columns: 1fr; }
  .cta-section .cta-actions { flex-direction: column; align-items: center; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
  .case-studies { grid-template-columns: 1fr; }
  .error-page__actions { flex-direction: column; align-items: center; }
  .cta__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__image img { height: 280px; }
  .program--featured .program__content h3 { font-size: 1.35rem; }
  .program__meta { flex-direction: column; gap: 8px; }
  .footer__links { grid-template-columns: 1fr; }
  .results-stats { grid-template-columns: 1fr; }
  .result-stat__number { font-size: 2.25rem; }
  .case-study { padding: 24px; }
  .comparison__row { padding: 20px; }
}