/* Tekina landing — CMS button palette (--site-btn*), AI product layout */

.tk-page {
  --tk-brand: var(--site-btn, #0093e9);
  --tk-brand-soft: var(--site-btn-soft, rgba(0, 147, 233, 0.1));
  --tk-brand-muted: var(--site-btn-muted, rgba(0, 147, 233, 0.16));
  --tk-brand-strong: var(--site-btn-strong, #0077c2);
  --tk-brand-on: var(--site-btn-on, #ffffff);
  --tk-ink: #0f172a;
  --tk-body: #334155;
  --tk-muted: #64748b;
  --tk-line: #e2e8f0;
  --tk-surface: #f8fafc;
  --tk-radius: 16px;
  color: var(--tk-body);
}

.tk-page .container {
  max-width: 1080px;
}

/* Hero */
.tk-hero {
  position: relative;
  padding: 48px 0 56px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, var(--tk-brand-soft), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 20%, var(--tk-brand-muted), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--tk-surface) 100%);
}

.tk-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--tk-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--tk-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  pointer-events: none;
}

.tk-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: center;
}

.tk-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--tk-brand-soft);
  border: 1px solid var(--tk-brand-muted);
  color: var(--tk-brand-strong);
  font-size: 12px;
  font-weight: 800;
}

.tk-hero__title {
  margin: 0 0 16px;
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--tk-ink);
}

.tk-hero__title span {
  color: var(--tk-brand);
}

.tk-hero__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 2;
  color: var(--tk-muted);
  text-align: justify;
  max-width: 580px;
}

.tk-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s, border-color 0.15s;
}

.tk-btn--primary {
  background: var(--tk-brand);
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  border: 1.5px solid var(--tk-brand);
  box-shadow: 0 8px 24px var(--tk-brand-muted);
}

.tk-page .container a.tk-btn--primary,
.tk-page .container a.tk-btn--primary:link,
.tk-page .container a.tk-btn--primary:visited,
.tk-page .container a.tk-btn--primary:hover,
.tk-page .container a.tk-btn--primary:focus,
.tk-page .container a.tk-btn--primary:active {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
}

.tk-btn--primary:hover {
  background: var(--tk-brand-strong);
  border-color: var(--tk-brand-strong);
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  transform: translateY(-1px);
}

.tk-btn--outline {
  background: #fff;
  color: var(--tk-brand-strong) !important;
  -webkit-text-fill-color: var(--tk-brand-strong) !important;
  border: 1.5px solid var(--tk-brand-muted);
}

.tk-page .container a.tk-btn--outline,
.tk-page .container a.tk-btn--outline:link,
.tk-page .container a.tk-btn--outline:visited {
  color: var(--tk-brand-strong) !important;
  -webkit-text-fill-color: var(--tk-brand-strong) !important;
}

.tk-btn--outline:hover {
  border-color: var(--tk-brand);
  background: var(--tk-brand-soft);
  color: var(--tk-brand-strong) !important;
  -webkit-text-fill-color: var(--tk-brand-strong) !important;
}

.tk-hero__panel {
  padding: 28px 24px;
  border-radius: 20px;
  border: 1px solid var(--tk-line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
  text-align: center;
}

.tk-hero__logo {
  width: 88px;
  height: 88px;
  margin: 0 auto 16px;
  border-radius: 22px;
  object-fit: contain;
  box-shadow: 0 8px 24px var(--tk-brand-muted);
}

.tk-hero__brand {
  margin: 0 0 6px;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--tk-ink);
}

.tk-hero__tagline {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--tk-muted);
}

.tk-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--tk-line);
}

.tk-hero__stat strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--tk-brand-strong);
}

.tk-hero__stat span {
  font-size: 11px;
  color: var(--tk-muted);
  line-height: 1.5;
}

/* Breadcrumb */
.tk-breadcrumb {
  padding: 14px 0 0;
}

.tk-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.tk-breadcrumb a {
  color: var(--tk-muted);
  text-decoration: none;
}

.tk-breadcrumb a:hover {
  color: var(--tk-brand);
}

.tk-breadcrumb li + li::before {
  content: '›';
  margin-left: 6px;
  color: #cbd5e1;
}

.tk-breadcrumb li[aria-current='page'] {
  color: var(--tk-brand-strong);
  font-weight: 700;
}

/* Value strip */
.tk-value-strip {
  padding: 36px 0;
}

.tk-value-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tk-value-card {
  padding: 22px 20px;
  border-radius: var(--tk-radius);
  border: 1px solid var(--tk-line);
  background: #fff;
  border-top: 3px solid var(--tk-brand);
}

.tk-value-card h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 800;
  color: var(--tk-ink);
}

.tk-value-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--tk-muted);
}

/* Features */
.tk-features {
  padding: 20px 0 48px;
  background: var(--tk-surface);
  margin: 0 calc(-50vw + 50%);
  padding-left: calc(50vw - 50%);
  padding-right: calc(50vw - 50%);
}

.tk-features__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 20px 0;
}

.tk-sec-head {
  margin-bottom: 28px;
  text-align: center;
}

.tk-sec-head h2 {
  margin: 0 0 8px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--tk-ink);
}

.tk-sec-head p {
  margin: 0 auto;
  max-width: 560px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--tk-muted);
}

.tk-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.tk-feature {
  padding: 20px 18px;
  border-radius: 14px;
  border: 1px solid var(--tk-line);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tk-feature:hover {
  border-color: var(--tk-brand-muted);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.tk-feature__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: var(--tk-brand-soft);
  color: var(--tk-brand-strong);
}

.tk-feature__icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tk-feature h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 800;
  color: var(--tk-ink);
}

.tk-feature p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--tk-muted);
}

/* Personas */
.tk-personas {
  padding: 40px 0;
}

.tk-personas__scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.tk-persona {
  flex: 0 0 auto;
  min-width: 148px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--tk-line);
  background: #fff;
  text-align: center;
}

.tk-persona strong {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 800;
  color: var(--tk-brand-strong);
}

.tk-persona span {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--tk-muted);
}

/* How it works */
.tk-steps {
  padding: 40px 0 48px;
}

.tk-steps__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.tk-step {
  position: relative;
  padding: 20px 16px;
  border-radius: var(--tk-radius);
  border: 1px solid var(--tk-line);
  background: #fff;
  text-align: center;
}

.tk-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--tk-brand);
  color: var(--tk-brand-on);
  font-size: 13px;
  font-weight: 900;
}

.tk-step h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 800;
  color: var(--tk-ink);
}

.tk-step p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--tk-muted);
}

/* Compare band */
.tk-compare {
  margin: 0 0 48px;
  padding: 28px 28px;
  border-radius: var(--tk-radius);
  background: linear-gradient(135deg, var(--tk-brand) 0%, var(--tk-brand-strong) 100%);
  color: var(--tk-brand-on);
  box-shadow: 0 16px 40px var(--tk-brand-muted);
}

.tk-compare h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff !important;
}

.tk-compare p {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.85;
  max-width: 720px;
  color: #fff !important;
}

.tk-compare__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tk-compare__list li {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  color: #fff !important;
}

/* FAQ */
.tk-faq {
  padding: 0 0 48px;
}

.tk-faq details {
  margin-bottom: 10px;
  border: 1px solid var(--tk-line);
  border-radius: 12px;
  background: #fff;
}

.tk-faq summary {
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--tk-ink);
  cursor: pointer;
  list-style: none;
}

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

.tk-faq__body {
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--tk-muted);
}

.tk-faq__body p {
  margin: 0;
}

.tk-faq__body a {
  color: var(--tk-brand-strong);
  font-weight: 600;
}

/* CTA */
.tk-cta {
  padding: 0 0 56px;
}

.tk-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 28px;
  border-radius: var(--tk-radius);
  border: 1px solid var(--tk-brand-muted);
  background: linear-gradient(180deg, #fff 0%, var(--tk-brand-soft) 100%);
}

.tk-cta__copy h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--tk-ink);
}

.tk-cta__copy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--tk-muted);
  max-width: 520px;
}

.tk-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--tk-brand-soft);
  border: 1px solid var(--tk-brand-muted);
  font-size: 13px;
  line-height: 1.75;
  color: var(--tk-body);
}

.tk-note a {
  color: var(--tk-brand-strong);
  font-weight: 700;
}

/* Plans (AI hub checkout) */
.tk-plans {
  padding: 40px 0 48px;
  background: linear-gradient(180deg, #fff 0%, var(--tk-surface) 100%);
}

.tk-plans__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.tk-plan-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border-radius: var(--tk-radius);
  border: 1px solid var(--tk-line);
  background: #fff;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.tk-plan-card__name {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
  color: var(--tk-ink);
}

.tk-plan-card__sub {
  margin: 0;
  font-size: 13px;
  color: var(--tk-muted);
}

.tk-plan-card__price {
  margin: 4px 0 0;
  font-size: 20px;
  font-weight: 900;
  color: var(--tk-brand-strong);
}

.tk-plan-card__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--tk-muted);
}

.tk-plan-card__cta {
  margin-top: auto;
  width: 100%;
  min-height: 44px;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 900px) {
  .tk-hero__grid {
    grid-template-columns: 1fr;
  }

  .tk-hero__panel {
    max-width: 360px;
    margin: 0 auto;
  }

  .tk-value-strip__grid,
  .tk-features__grid {
    grid-template-columns: 1fr 1fr;
  }

  .tk-steps__row {
    grid-template-columns: 1fr 1fr;
  }

  .tk-compare__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tk-hero {
    padding: 32px 0 40px;
  }

  .tk-hero__actions {
    flex-direction: column;
  }

  .tk-btn {
    width: 100%;
  }

  .tk-value-strip__grid,
  .tk-features__grid,
  .tk-steps__row {
    grid-template-columns: 1fr;
  }

  .tk-cta__inner {
    flex-direction: column;
    text-align: center;
  }
}