/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), color var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark);
  box-shadow: 0 0 0 0 rgba(74,158,255,0);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(74,158,255,0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(74,158,255,0.06);
}
.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.0625rem;
}
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.nav.scrolled {
  background: rgba(10, 15, 30, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(74,158,255,0.1);
}
.nav--light.scrolled {
  background: rgba(255,255,255,0.96);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}
.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.nav__logo { display: flex; align-items: center; gap: 0.625rem; flex-shrink: 0; }
.nav__logo img { height: 28px; width: auto; }
.nav__logo-mark {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-white);
  line-height: 1;
}
.nav__logo-mark span {
  color: var(--color-white);
}
.nav__logo-mark .accent {
  color: var(--color-accent);
}
.nav--light .nav__logo-mark {
  color: var(--color-primary);
}
.nav--light .nav__logo-mark span {
  color: var(--color-primary);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.nav__link:hover, .nav__link.active { color: var(--color-white); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.nav__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}
.nav__hamburger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.nav--light .nav__link { color: var(--color-text-muted); }
.nav--light .nav__link:hover, .nav--light .nav__link.active { color: var(--color-text); }
.nav__right { display: flex; align-items: center; gap: var(--space-4); }
.nav__lang {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.08em;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  padding: 0.3rem 0.625rem;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255,255,255,0.2);
  line-height: 1;
}
.nav__lang:hover { color: var(--color-accent); border-color: var(--color-accent); }
.nav__lang.active { color: var(--color-accent); border-color: var(--color-accent); background: rgba(74,158,255,0.1); }
.nav--light .nav__lang { color: var(--color-text-muted); border-color: rgba(0,0,0,0.15); }
.nav--light .nav__lang:hover { color: var(--color-accent); border-color: var(--color-accent); }

/* Mobile menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}
.nav--light .nav__hamburger span { background: var(--color-text); }
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: var(--color-dark);
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
  z-index: 999;
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition-fast);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-bottom: var(--space-4);
}
.nav__mobile-link:hover { color: var(--color-accent); }
.nav__mobile-cta { margin-top: var(--space-4); }

@media (max-width: 900px) {
  .nav__links, .nav__lang { display: none; }
  .nav__hamburger { display: flex; }
}

/* ── Footer ── */
.footer {
  background: var(--color-dark);
  color: var(--color-text-light);
  padding: var(--space-20) 0 var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}
.footer__brand p { margin-top: var(--space-4); font-size: 0.9375rem; max-width: 280px; }
.footer__heading {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__link {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--color-accent); }
.footer__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer__copy { font-size: 0.875rem; color: rgba(255,255,255,0.4); }
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* ── Section labels (overline text) ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.section-label__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ── Cards ── */
.card {
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.card--dark {
  background: var(--color-dark-surface);
  border-color: var(--color-dark-border);
  color: var(--color-white);
}
.card--dark:hover {
  border-color: rgba(74,158,255,0.3);
  box-shadow: var(--shadow-accent);
}
.card--accent {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: transparent;
}
.card__icon {
  width: 48px; height: 48px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}
.card__icon svg { width: 24px; height: 24px; }

/* ── Stat blocks ── */
.stat-block { text-align: center; padding: var(--space-6); }
.stat-block .stat { display: block; margin-bottom: var(--space-2); }
.stat-block p { font-size: 0.9375rem; color: var(--color-text-muted); }
.stat-block--dark p { color: var(--color-text-light); }

/* ── Badge / pill ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge--success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.badge--accent {
  background: var(--color-accent-glow);
  color: var(--color-accent);
}
.badge--dark {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
}

/* ── Forms ── */
.form-group { margin-bottom: var(--space-6); }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1.125rem;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: 2px solid transparent;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(74,158,255,0.12);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
.form-error { font-size: 0.8125rem; color: var(--color-error); margin-top: var(--space-1); display: none; }
.form-input.error, .form-select.error { border-color: var(--color-error); }
.form-input.error + .form-error,
.form-select.error + .form-error { display: block; }
.form-success { text-align: center; padding: var(--space-12); }
.form-success h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: var(--space-4); }

/* ── FAQ accordion ── */
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.faq-item--dark { border-color: rgba(255,255,255,0.08); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.faq-item--dark .faq-question { color: var(--color-white); }
.faq-question:hover { color: var(--color-accent); }
.faq-question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.faq-question svg {
  flex-shrink: 0;
  width: 20px; height: 20px;
  transition: transform var(--transition-base);
  color: var(--color-accent);
}
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.faq-answer-inner {
  padding-bottom: var(--space-6);
  color: var(--color-text-muted);
  line-height: 1.7;
}
.faq-item--dark .faq-answer-inner { color: var(--color-text-light); }

/* ── Comparison table ── */
.comparison-table { width: 100%; border-collapse: collapse; }
.comparison-table th {
  font-family: var(--font-display);
  font-weight: 700;
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 2px solid var(--color-off-white);
}
.comparison-table td {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-off-white);
  font-size: 0.9375rem;
}
.comparison-table tr:last-child td { border-bottom: none; }
.check-yes { color: var(--color-success); font-size: 1.25rem; }
.check-no { color: var(--color-text-muted); font-size: 1.25rem; }

/* ── Pricing cards ── */
.pricing-card {
  background: var(--color-white);
  border: 2px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.pricing-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-4px);
}
.pricing-card--featured {
  border-color: var(--color-accent);
  background: var(--color-dark);
  color: var(--color-white);
}
.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
}
.pricing-card__badge .badge--accent {
  background: var(--color-accent);
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.3rem 1rem;
  box-shadow: 0 2px 12px rgba(74,158,255,0.4);
}
.pricing-card__price {
  margin: var(--space-6) 0;
}
.pricing-card__amount {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
}
.pricing-card__period { font-size: 0.9375rem; color: var(--color-text-muted); margin-top: var(--space-1); }
.pricing-card--featured .pricing-card__period { color: var(--color-text-light); }
.pricing-card__features {
  flex: 1;
  margin: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
}
.pricing-card__feature svg {
  width: 18px; height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}
.pricing-card--featured .pricing-card__feature { color: rgba(255,255,255,0.85); }

/* ── Process steps ── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.66% + 28px);
  right: calc(16.66% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  opacity: 0.3;
}
.process-step__num {
  width: 56px; height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-accent-glow);
  border: 1.5px solid rgba(74,158,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
@media (max-width: 768px) {
  .process-steps { grid-template-columns: 1fr; }
  .process-steps::before { display: none; }
}

/* ── Blog card ── */
.blog-card {
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.blog-card__img {
  aspect-ratio: 16/9;
  background: var(--color-dark-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.blog-card__content { padding: var(--space-6); flex: 1; display: flex; flex-direction: column; }
.blog-card__meta { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-3); }
.blog-card__date { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-muted); }
.blog-card__title { font-family: var(--font-display); font-size: 1.125rem; font-weight: 700; line-height: 1.35; margin-bottom: var(--space-3); }
.blog-card__excerpt { font-size: 0.9375rem; color: var(--color-text-muted); flex: 1; }
.blog-card__read-more { margin-top: var(--space-4); display: inline-flex; align-items: center; gap: var(--space-2); font-size: 0.875rem; font-weight: 600; color: var(--color-accent); }

/* ── Case study card ── */
.case-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  color: var(--color-white);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.case-card:hover {
  border-color: rgba(74,158,255,0.4);
  box-shadow: var(--shadow-accent);
}
.case-card__header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); }
.case-card__tag { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-light); }
.case-card__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin: var(--space-6) 0; padding: var(--space-6) 0; border-top: 1px solid var(--color-dark-border); border-bottom: 1px solid var(--color-dark-border); }
.case-stat__value { font-family: var(--font-mono); font-size: 1.75rem; font-weight: 600; color: var(--color-accent); }
.case-stat__label { font-size: 0.8125rem; color: var(--color-text-light); margin-top: var(--space-1); }

/* ── FAQ Card style (ecomflows-inspired) ── */
.faq-card {
  background: var(--color-dark-surface);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-card:hover {
  border-color: rgba(74,158,255,0.2);
}
.faq-card__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-6);
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  transition: color var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
}
.faq-card__trigger:hover { color: var(--color-accent); }
.faq-card__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.faq-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: rgba(255,255,255,0.6);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.faq-card.open .faq-card__icon {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(74,158,255,0.08);
}
.faq-card__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.faq-card__body p {
  padding: 0 var(--space-6) var(--space-6);
  color: rgba(255,255,255,0.6);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin: 0;
}