/* FlexiKnee — PT-PT landing + checkout (2026 refresh) */
:root {
  --ink: #0c1222;
  --ink-muted: #475569;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --surface-3: #e2e8f0;
  --brand: #1d4ed8;
  --brand-dark: #1e3a8a;
  --brand-light: #eff6ff;
  --accent: #0ea5e9;
  --deal: #dc2626;
  --deal-bg: #fef2f2;
  --success: #059669;
  --ring: rgba(29, 78, 216, 0.35);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 10px 24px -6px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.12);
  --radius: 14px;
  --radius-sm: 10px;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--surface-2);
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 899px) {
  body {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(1140px, 92vw);
  margin-inline: auto;
}

.container--narrow {
  width: min(680px, 92vw);
}

.container--prose {
  width: min(720px, 92vw);
}

/* Publicidade (advertising disclosure) */
.ad-disclosure {
  margin: 0;
  padding: 0.65rem 1rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--ink-muted);
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  border-bottom: 1px solid var(--surface-3);
  text-align: center;
  max-width: 100%;
}

.ad-disclosure__label {
  display: inline-block;
  font-weight: 800;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-dark);
  margin-right: 0.5rem;
}

/* Promo strip */
.promo-strip {
  background: linear-gradient(90deg, var(--brand-dark) 0%, #172554 50%, var(--brand-dark) 100%);
  background-size: 200% 100%;
  animation: promo-shimmer 14s ease-in-out infinite;
  color: #e0e7ff;
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  padding: 0.55rem 1rem;
  letter-spacing: 0.02em;
}

.promo-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1.25rem;
}

.promo-strip strong {
  color: #fff;
}

.promo-strip .badge-deal {
  background: #fff;
  color: var(--deal);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-3);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(145deg, var(--brand) 0%, #312e81 100%);
  box-shadow: var(--shadow);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  flex-wrap: wrap;
}

.nav-main a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.nav-main a:hover {
  color: var(--brand);
}

.nav-main a[aria-current="page"] {
  color: var(--brand-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.header-price {
  display: none;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--deal);
}

@media (min-width: 720px) {
  .header-price {
    display: block;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn--primary {
  background: linear-gradient(165deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(29, 78, 216, 0.4);
  color: #fff;
}

.btn--ghost {
  background: #fff;
  border-color: var(--surface-3);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-1px);
}

.btn--small {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
}

.btn--block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  padding: 2.5rem 0 3.5rem;
  background: linear-gradient(165deg, #fff 0%, var(--brand-light) 45%, var(--surface-2) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  height: 80%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 3rem;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand);
  margin: 0 0 0.75rem;
}

.hero__title {
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin: 0 0 1rem;
}

.hero__sub {
  margin: 0 0 1.5rem;
  color: var(--ink-muted);
  max-width: 40ch;
  font-size: 1.05rem;
}

/* Price hero card */
.price-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.25rem;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--surface-3);
  box-shadow: var(--shadow);
}

.price-hero__pvp {
  font-size: 1.25rem;
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 600;
}

.price-hero__sale {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--deal);
  line-height: 1;
}

.price-hero__unit {
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.discount-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
  width: 100%;
}

.pill-save {
  display: inline-flex;
  align-items: center;
  background: var(--deal-bg);
  color: var(--deal);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #fecaca;
}

.pill-iva {
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero__cod {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: 0 0 1rem;
  max-width: 42ch;
}

.hero__cod strong {
  color: var(--brand-dark);
}

.trust-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.trust-icon {
  color: var(--success);
  font-weight: 800;
  margin-right: 0.2rem;
}

.benefit-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-top: 1.25rem;
}

@media (min-width: 560px) {
  .benefit-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.benefit-bar span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-muted);
  padding: 0.6rem 0.65rem;
  background: #fff;
  border: 1px solid var(--surface-3);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* Product gallery */
.product-panel {
  position: relative;
}

.product-badge-float {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  background: rgba(30, 58, 138, 0.92);
  color: #fff;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.7rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-width: 11rem;
  line-height: 1.25;
}

.gallery-main {
  position: relative;
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--surface-3);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 1;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.35s var(--ease);
  animation: gallery-breathe 9s ease-in-out infinite;
}

@keyframes gallery-breathe {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.012);
  }
}

.gallery-main.is-switching img {
  opacity: 0.88;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.gallery-thumb {
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: #fff;
  aspect-ratio: 1;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumb:hover,
.gallery-thumb:focus-visible {
  border-color: var(--brand);
  outline: none;
}

.gallery-thumb.is-active {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--ring);
}

.gallery-caption {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--ink-muted);
  text-align: center;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 0.65rem;
}

.section-header.center {
  text-align: center;
  margin-bottom: 2rem;
}

.section-lead {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.02rem;
  max-width: 52ch;
}

.section-header.center .section-lead {
  margin-inline: auto;
}

/* Problem / solution */
.problem-solution {
  background: #fff;
  border-block: 1px solid var(--surface-3);
}

.ps-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 880px) {
  .ps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

.ps-copy p {
  margin: 0 0 1rem;
}

.ps-copy .muted {
  font-size: 0.95rem;
  color: #64748b;
}

.ps-card {
  background: linear-gradient(160deg, var(--brand-light) 0%, #fff 55%);
  border: 1px solid var(--surface-3);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.ps-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--brand-dark);
}

.ps-card__intro {
  margin: 0 0 1rem;
  color: var(--ink-muted);
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
}

.feature-list li {
  margin-bottom: 0.65rem;
}

/* Tech */
.tech-features {
  background: var(--surface-2);
}

.tech-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tech-card {
  background: #fff;
  border: 1px solid var(--surface-3);
  border-radius: var(--radius);
  padding: 1.35rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tech-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.tech-card__icon {
  width: 44px;
  height: 44px;
  color: var(--brand);
  margin-bottom: 0.75rem;
}

.tech-card__icon svg {
  width: 100%;
  height: 100%;
}

.tech-card__title {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.tech-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

/* Benefits */
.benefits {
  background: #fff;
}

.benefits-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-pill {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1rem 1.1rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.benefit-pill:hover {
  border-color: var(--brand);
  background: #fff;
}

.benefit-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--brand));
  flex-shrink: 0;
}

/* Image strip product */
.image-strip {
  padding: 0;
}

.image-strip__grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .image-strip__grid {
    grid-template-columns: 1fr 1fr;
    min-height: 280px;
  }
}

.image-strip__cell {
  min-height: 200px;
  background-size: cover;
  background-position: 50% 50%;
  overflow: hidden;
  animation: strip-bg-shift 22s ease-in-out infinite alternate;
}

@keyframes strip-bg-shift {
  from {
    background-position: 42% 50%;
  }
  to {
    background-position: 58% 50%;
  }
}

.image-strip__caption {
  padding: 1.25rem;
  background: var(--brand-dark);
  color: #cbd5e1;
  font-size: 0.9rem;
  text-align: center;
}

/* Reviews */
.reviews {
  background: linear-gradient(180deg, var(--surface-2) 0%, #fff 100%);
}

.reviews-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.review-card {
  margin: 0;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--surface-3);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stars {
  color: #f59e0b;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.65rem;
}

.stars__fill {
  letter-spacing: inherit;
}

.star-dim {
  opacity: 0.35;
}

.review-card__text {
  margin: 0 0 0.85rem;
  font-style: normal;
  font-size: 0.92rem;
}

.review-card__name {
  font-style: normal;
  font-weight: 700;
  color: var(--ink);
}

.review-card__loc {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* How to */
.how-to {
  background: #fff;
  border-block: 1px solid var(--surface-3);
}

.how-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 880px) {
  .how-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.how-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.how-lead {
  margin-bottom: 1.25rem !important;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--surface-3);
}

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

.steps__num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--brand-light);
  color: var(--brand);
  font-weight: 800;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps__item div {
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.steps__item strong {
  color: var(--ink);
}

/* Order / checkout block on index */
.order-section {
  background: linear-gradient(180deg, var(--brand-light) 0%, var(--surface-2) 100%);
  padding-bottom: 4rem;
}

.order-head {
  text-align: center;
  margin-bottom: 2rem;
}

.order-head .section-title {
  margin-bottom: 0.35rem;
}

.checkout-shell {
  display: grid;
  gap: 1.5rem;
  max-width: 920px;
  margin-inline: auto;
}

@media (min-width: 900px) {
  .checkout-shell {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
    gap: 2rem;
    max-width: 100%;
  }
}

.checkout-card {
  background: #fff;
  border: 1px solid var(--surface-3);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.checkout-card--sticky {
  position: sticky;
  top: 88px;
}

.checkout-card__title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #64748b;
  margin: 0 0 1rem;
}

.order-line {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--surface-3);
  margin-bottom: 1rem;
}

.order-line__img {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--surface-3);
}

.order-line__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.order-line__meta h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.order-line__meta p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.pricing-rows {
  font-size: 0.92rem;
}

.pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  color: var(--ink-muted);
}

.pricing-row--discount {
  color: var(--deal);
  font-weight: 700;
}

.pricing-row--total {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 2px solid var(--surface-3);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
}

.pricing-row--total span:last-child {
  color: var(--deal);
  font-size: 1.35rem;
}

.strikethrough {
  text-decoration: line-through;
  color: #94a3b8;
}

.order-form__heading {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  font-weight: 800;
}

.order-form__sub {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-section-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin: 0.5rem 0 0;
}

.field__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.field__input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--surface-3);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.field__input:hover {
  border-color: #cbd5e1;
}

.field__input:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px var(--ring);
}

.field-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .field-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--surface-3);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-2);
}

.qty-btn {
  width: 44px;
  height: 46px;
  border: none;
  background: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.2s;
}

.qty-btn:hover {
  background: var(--brand-light);
}

.qty-input {
  width: 52px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 1.1rem;
  font-weight: 800;
  font-family: inherit;
}

.cod-panel {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1e3a8a 0%, #172554 100%);
  color: #e0e7ff;
  font-size: 0.88rem;
  line-height: 1.55;
}

.cod-panel strong {
  display: block;
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.trust-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: 0.25rem;
}

.trust-inline span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.checkbox-field {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.checkbox-field input {
  margin-top: 0.2rem;
  width: 18px;
  height: 18px;
  accent-color: var(--brand);
}

.form-note {
  margin: 0;
  font-size: 0.75rem;
  color: #94a3b8;
  text-align: center;
  line-height: 1.5;
}

/* FAQ */
.faq-section {
  background: #fff;
  padding-bottom: 4rem;
}

.faq-item {
  border: 1px solid var(--surface-3);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
  background: var(--surface-2);
  overflow: hidden;
}

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

.faq-item summary {
  padding: 1rem 1.15rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--brand);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item__body {
  padding: 0 1.15rem 1.1rem;
}

.faq-item__body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: #94a3b8;
  padding: 3rem 0 2rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: #93c5fd;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1.15fr 1fr 1fr 1.15fr;
  }
}

.footer-brand-link {
  text-decoration: none;
  color: inherit;
  display: inline-block;
}

.footer-brand-link:hover .logo-text {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-brand .logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.footer-tag {
  margin: 0.6rem 0 0;
  line-height: 1.5;
  max-width: 28ch;
}

.footer-heading {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #64748b;
  margin: 0 0 0.85rem;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.45rem;
}

.footer-contact p {
  margin: 0 0 0.45rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-ad-note {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: #94a3b8;
  max-width: 85ch;
}

.footer-ad-note strong {
  color: #cbd5e1;
  font-weight: 700;
}

.footer-disclaimer {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: #64748b;
  max-width: 85ch;
}

.footer-email-footer {
  margin: 0 0 0.85rem;
  font-size: 0.85rem;
}

.footer-email-footer a {
  color: #93c5fd;
  font-weight: 600;
}

.footer-email-footer a:hover {
  color: #fff;
}

.footer-copy {
  margin: 0;
  font-size: 0.78rem;
  color: #64748b;
}

/* Page layout (inner pages) */
.page-hero {
  padding: 2.5rem 0 2rem;
  background: linear-gradient(180deg, var(--brand-light) 0%, var(--surface-2) 100%);
  border-bottom: 1px solid var(--surface-3);
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-hero p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.prose {
  padding: 2.5rem 0 4rem;
  background: #fff;
}

.prose h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 2rem 0 0.75rem;
  color: var(--ink);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: var(--ink-muted);
  font-size: 0.98rem;
}

.prose ul {
  padding-left: 1.25rem;
}

.prose a {
  font-weight: 600;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: 0.75rem;
}

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

/* Scroll animation */
.section-animate {
  opacity: 0;
  transform: translateY(22px);
}

.section-animate.is-visible {
  animation: section-reveal 0.7s var(--ease) forwards;
}

.hero.section-animate.is-visible {
  animation: none;
  opacity: 1;
  transform: none;
}

@keyframes section-reveal {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes promo-shimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes fade-up-soft {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.anim-on-load {
  opacity: 0;
  animation: fade-up-soft 0.75s var(--ease) forwards;
}

.anim-on-load--delay {
  animation-delay: 0.15s;
}

.hero__copy.anim-on-load {
  animation-duration: 0.85s;
}

.product-panel.anim-on-load {
  animation-duration: 0.85s;
}

.tech-grid .tech-card {
  opacity: 0;
}

.section-animate.is-visible .tech-grid .tech-card {
  animation: fade-up-soft 0.55s var(--ease) forwards;
}

.section-animate.is-visible .tech-grid .tech-card:nth-child(1) {
  animation-delay: 0.04s;
}
.section-animate.is-visible .tech-grid .tech-card:nth-child(2) {
  animation-delay: 0.1s;
}
.section-animate.is-visible .tech-grid .tech-card:nth-child(3) {
  animation-delay: 0.16s;
}
.section-animate.is-visible .tech-grid .tech-card:nth-child(4) {
  animation-delay: 0.22s;
}
.section-animate.is-visible .tech-grid .tech-card:nth-child(5) {
  animation-delay: 0.28s;
}
.section-animate.is-visible .tech-grid .tech-card:nth-child(6) {
  animation-delay: 0.34s;
}

.stagger-children > * {
  opacity: 0;
}

.section-animate.is-visible .stagger-children > * {
  animation: fade-up-soft 0.5s var(--ease) forwards;
}

.section-animate.is-visible .stagger-children > *:nth-child(1) {
  animation-delay: 0.04s;
}
.section-animate.is-visible .stagger-children > *:nth-child(2) {
  animation-delay: 0.1s;
}
.section-animate.is-visible .stagger-children > *:nth-child(3) {
  animation-delay: 0.16s;
}
.section-animate.is-visible .stagger-children > *:nth-child(4) {
  animation-delay: 0.22s;
}
.section-animate.is-visible .stagger-children > *:nth-child(5) {
  animation-delay: 0.28s;
}
.section-animate.is-visible .stagger-children > *:nth-child(6) {
  animation-delay: 0.34s;
}

.reviews-grid .review-card {
  opacity: 0;
}

.section-animate.is-visible .reviews-grid .review-card {
  animation: fade-up-soft 0.55s var(--ease) forwards;
}

.section-animate.is-visible .reviews-grid .review-card:nth-child(1) {
  animation-delay: 0.05s;
}
.section-animate.is-visible .reviews-grid .review-card:nth-child(2) {
  animation-delay: 0.12s;
}
.section-animate.is-visible .reviews-grid .review-card:nth-child(3) {
  animation-delay: 0.19s;
}
.section-animate.is-visible .reviews-grid .review-card:nth-child(4) {
  animation-delay: 0.26s;
}

section[id],
.prose {
  scroll-margin-top: 96px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--ink);
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  font-size: 0.9rem;
  max-width: min(440px, 92vw);
  text-align: center;
  transition: transform 0.35s var(--ease), opacity 0.35s;
  opacity: 0;
}

.toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast[hidden] {
  display: block;
  visibility: hidden;
}

/* Mobile sticky bar */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--surface-3);
  box-shadow: 0 -8px 30px rgba(15, 23, 42, 0.08);
}

@media (min-width: 900px) {
  .mobile-cta-bar {
    display: none;
  }
}

.mobile-cta-bar__price {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--deal);
}

.mobile-cta-bar__pvp {
  font-size: 0.75rem;
  color: #94a3b8;
  text-decoration: line-through;
}

.mobile-cta-bar .btn {
  flex: 1;
  max-width: 200px;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
}