/* ========================================
   NUVAIR — Premium Ionizer Funnel
   White-page / Advertorial Style
   ======================================== */

:root {
  --white: #ffffff;
  --bg-light: #f8f9fb;
  --bg-soft: #f1f3f6;
  --bg-card: #ffffff;
  --blue-primary: #3a7bd5;
  --blue-dark: #2a5faa;
  --blue-light: #e8f0fe;
  --green-soft: #5ab88a;
  --green-light: #eaf7f0;
  --graphite: #2c3e50;
  --text-dark: #1e2a38;
  --text-body: #4a5568;
  --text-muted: #8896a6;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: .25s ease;
  --max-w: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-body);
  background: radial-gradient(1200px 600px at 100% -10%, #eef4ff 0%, rgba(255,255,255,0) 60%), var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }

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

/* ---- TOP BAR ---- */
.top-bar {
  background: var(--graphite);
  color: rgba(255,255,255,.75);
  font-size: 12px;
  padding: 8px 0;
  text-align: center;
  letter-spacing: .3px;
}
.top-bar span { margin: 0 12px; }
.top-bar strong { color: #fff; }

/* ---- HEADER / NAV ---- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -.5px;
}
.logo em {
  font-style: normal;
  color: var(--blue-primary);
}
.header-badges {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.header-badges svg { vertical-align: middle; margin-right: 4px; }

/* ---- SCREEN / SECTION ---- */
.screen {
  display: none;
  animation: fadeUp .5s ease both;
}
.screen.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section {
  padding: 72px 0;
  position: relative;
}
.section--light { background: var(--bg-light); }
.section--soft  { background: var(--bg-soft); }
.section--blue  { background: var(--blue-light); }
.section--green { background: var(--green-light); }

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 36px;
}

/* ---- HERO ---- */
.hero {
  padding: 80px 0 64px;
  background: linear-gradient(170deg, var(--white) 60%, var(--bg-light) 100%);
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-text .section-title {
  font-size: clamp(30px, 4.5vw, 48px);
  margin-bottom: 16px;
}
.hero-text .section-subtitle {
  margin-bottom: 28px;
}
.hero-usps {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
}
.hero-usp {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}
.hero-usp .icon-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero-usp .icon-circle svg { width: 18px; height: 18px; color: var(--blue-primary); }
.hero-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--blue-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(58,123,213,.35);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(58,123,213,.45);
  color: #fff;
}
.btn-secondary {
  background: var(--white);
  color: var(--blue-primary);
  border: 2px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--blue-primary);
  background: var(--blue-light);
}
.btn-large {
  font-size: 18px;
  padding: 20px 48px;
}
.btn svg { width: 18px; height: 18px; }

/* ---- CARDS ---- */
.cards-grid {
  display: grid;
  gap: 24px;
}
.cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid--4 { grid-template-columns: repeat(4, 1fr); }
.cards-grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.card-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg { width: 28px; height: 28px; color: var(--blue-primary); }
.card-icon--green { background: var(--green-light); }
.card-icon--green svg { color: var(--green-soft); }
.card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.card p { font-size: 15px; color: var(--text-body); }

.card-img {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  margin: -32px -32px 20px -32px;
}
.card-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ---- PRODUCT BLOCK ---- */
.product-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.product-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.product-name {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blue-primary);
  margin-bottom: 8px;
}
.product-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.product-desc {
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 28px;
}
.feature-list {
  list-style: none;
  margin-bottom: 32px;
}
.feature-list li {
  padding: 8px 0;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dark);
}
.feature-list li svg {
  width: 20px; height: 20px;
  color: var(--green-soft);
  flex-shrink: 0;
}

/* ---- STEPS ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}
.step {
  text-align: center;
  padding: 24px;
}
.step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--blue-primary);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.step p { font-size: 14px; color: var(--text-muted); }

/* ---- GALLERY ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-grid img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.context-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.context-card {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.context-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.context-card h3 {
  padding: 16px 16px 6px;
  font-size: 17px;
  color: var(--text-dark);
}

.context-card p {
  padding: 0 16px 18px;
  font-size: 14px;
  color: var(--text-body);
}

.image-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.editorial-note {
  margin-top: 30px;
  padding: 26px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.editorial-note h3 {
  font-size: 22px;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.editorial-note p {
  font-size: 15px;
  color: var(--text-body);
}

.editorial-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.editorial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.editorial-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.editorial-card h4 {
  font-size: 16px;
  color: var(--text-dark);
  padding: 12px 14px 6px;
}

.editorial-card p {
  font-size: 14px;
  color: var(--text-body);
  padding: 0 14px 14px;
}

.trust-strip {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.trust-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 13px;
  color: var(--text-body);
}

/* ---- BENEFITS ---- */
.benefits-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.benefit-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.benefit-icon svg { width: 22px; height: 22px; color: var(--blue-primary); }
.benefit-text h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.benefit-text p { font-size: 14px; color: var(--text-muted); }

/* ---- REVIEWS ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-primary);
}
.review-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
}
.review-location {
  font-size: 13px;
  color: var(--text-muted);
}
.review-stars {
  color: #f5b731;
  font-size: 15px;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.review-text {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.6;
  font-style: italic;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--blue-primary); }
.faq-question .faq-arrow {
  transition: transform var(--transition);
  font-size: 20px;
  color: var(--text-muted);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-answer p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
}

/* ---- OFFER BLOCK ---- */
.offer-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.offer-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.offer-brand {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blue-primary);
  margin-bottom: 6px;
}
.offer-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.offer-pricing {
  margin-bottom: 24px;
}
.price-old {
  font-size: 20px;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-right: 12px;
}
.price-new {
  font-size: 36px;
  font-weight: 800;
  color: var(--green-soft);
}
.offer-promo {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-soft);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}
.offer-guarantees {
  list-style: none;
  margin-bottom: 32px;
}
.offer-guarantees li {
  padding: 8px 0;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dark);
}
.offer-guarantees li svg {
  width: 20px; height: 20px;
  color: var(--green-soft);
  flex-shrink: 0;
}

/* ---- BADGES ---- */
.badge-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 20px 0;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}
.badge svg { width: 16px; height: 16px; color: var(--green-soft); }

/* ---- DISCLAIMER ---- */
.disclaimer {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  padding: 16px 0;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--graphite);
  color: rgba(255,255,255,.6);
  padding: 40px 0 24px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.6; }
.footer-links h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
}

/* ---- CTA CENTER ---- */
.cta-center {
  text-align: center;
  margin-top: 40px;
}

/* ---- PROGRESS BAR ---- */
.progress-bar {
  height: 3px;
  background: var(--border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
}
.progress-fill {
  height: 100%;
  background: var(--blue-primary);
  transition: width .4s ease;
  width: 9%;
}

/* ---- TEXT CENTER ---- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero .container,
  .product-block,
  .offer-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-img { order: -1; }
  .cards-grid--3, .cards-grid--4 {
    grid-template-columns: 1fr 1fr;
  }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .context-grid { grid-template-columns: 1fr; }
  .editorial-grid { grid-template-columns: 1fr; }
  .trust-strip { grid-template-columns: 1fr; }
  .benefits-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 48px 0; }
}

@media (max-width: 600px) {
  .cards-grid--3, .cards-grid--4, .cards-grid--2 {
    grid-template-columns: 1fr;
  }
  .hero-usps { flex-direction: column; gap: 12px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .header-badges { display: none; }
  .hero { padding: 48px 0 36px; }
  .btn-large { font-size: 16px; padding: 16px 32px; }
  .reviews-grid { grid-template-columns: 1fr; }
}

/* ---- CHECKOUT PAGE STYLES ---- */
.checkout-page { background: var(--bg-light); min-height: 100vh; }

.checkout-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.checkout-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.checkout-breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.checkout-breadcrumb .active {
  color: var(--blue-primary);
  font-weight: 600;
}
.checkout-breadcrumb .sep { color: var(--border); }

.checkout-layout {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 32px;
  padding: 40px 0 80px;
}

.checkout-form-section {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}
.checkout-form-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-row--single { grid-template-columns: 1fr; }
.form-group { display: flex; flex-direction: column; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(58,123,213,.12);
}

.delivery-options { display: flex; flex-direction: column; gap: 10px; }
.delivery-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.delivery-option:hover { border-color: var(--blue-primary); }
.delivery-option.selected {
  border-color: var(--blue-primary);
  background: var(--blue-light);
}
.delivery-option input { display: none; }
.delivery-option .do-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.delivery-option .do-radio {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.delivery-option.selected .do-radio {
  border-color: var(--blue-primary);
}
.delivery-option.selected .do-radio::after {
  content: '';
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue-primary);
}
.delivery-option .do-name { font-weight: 600; color: var(--text-dark); font-size: 15px; }
.delivery-option .do-price { font-weight: 700; color: var(--text-dark); font-size: 15px; }

.payment-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.payment-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
}
.payment-option:hover { border-color: var(--blue-primary); }
.payment-option.selected {
  border-color: var(--blue-primary);
  background: var(--blue-light);
}
.payment-option input { display: none; }
.payment-option .po-radio {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.payment-option.selected .po-radio {
  border-color: var(--blue-primary);
}
.payment-option.selected .po-radio::after {
  content: '';
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue-primary);
}

.order-summary-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px;
  position: sticky;
  top: 80px;
}
.order-summary-card h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.os-product {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}
.os-product-img {
  width: 72px; height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.os-product-img img { width: 100%; height: 100%; object-fit: cover; }
.os-product-info { flex: 1; }
.os-product-name { font-size: 15px; font-weight: 700; color: var(--text-dark); }
.os-product-variant { font-size: 13px; color: var(--text-muted); }
.os-product-price { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-top: 4px; }
.os-product-price .old { text-decoration: line-through; color: var(--text-muted); font-weight: 400; margin-right: 6px; font-size: 13px; }

.os-coupon {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.os-coupon input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  font-family: inherit;
}
.os-coupon button {
  padding: 10px 18px;
  background: var(--graphite);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.os-totals {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.os-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
}
.os-row.total {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dark);
  border-top: 2px solid var(--text-dark);
  margin-top: 8px;
  padding-top: 12px;
}

.checkout-consent {
  margin-top: 20px;
}
.consent-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-body);
}
.consent-item input[type="checkbox"] {
  margin-top: 2px;
  width: 18px; height: 18px;
  flex-shrink: 0;
  accent-color: var(--blue-primary);
}

.checkout-submit {
  margin-top: 24px;
}
.checkout-submit .btn {
  width: 100%;
  justify-content: center;
}

.checkout-secure {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .checkout-layout {
    grid-template-columns: 1fr;
  }
  .order-summary-card { position: static; order: -1; }
  .payment-options { grid-template-columns: 1fr; }
}

/* ---- LEGAL PAGES ---- */
.legal-page { max-width: 800px; margin: 0 auto; padding: 60px 24px; }
.legal-page h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.legal-page .legal-date {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 36px;
}
.legal-page h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 32px;
  margin-bottom: 12px;
}
.legal-page h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-top: 20px;
  margin-bottom: 8px;
}
.legal-page p, .legal-page li {
  font-size: 15px;
  color: var(--text-body);
  margin-bottom: 12px;
  line-height: 1.7;
}
.legal-page ul, .legal-page ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-primary);
  margin-bottom: 32px;
}