:root {
  --sd-accent: #e30022;
  --sd-blue: #e30022;
  --sd-red: #e30022;
  --sd-dark: #1d1d1f;
  --sd-gray: #86868b;
  --sd-light: #f5f5f7;
  --sd-white: #ffffff;
  --radius-xl: 32px;
  --radius-lg: 18px;
  --shadow-soft: 0 20px 40px rgba(0,0,0,0.04);
  --shadow-card: 0 2px 14px rgba(0,0,0,0.04);
  --container: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--sd-dark);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

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

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--sd-light);
  color: var(--sd-gray);
  font-size: 13px;
  padding: 10px 0;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--sd-dark);
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--sd-gray);
  font-size: 15px;
}

.btn,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 999px;
  padding: 15px 24px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.btn:hover,
.btn-secondary:hover { transform: translateY(-2px); }

.btn {
  background: var(--sd-accent);
  color: var(--sd-white);
  padding: 16px 32px;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(227, 0, 34, 0.25);
}

.btn:hover { 
  background: #f5002a;
  box-shadow: 0 8px 20px rgba(227, 0, 34, 0.35);
  transform: scale(1.02);
}

.btn-secondary {
  background: transparent;
  color: var(--sd-accent); /* Red for links to match */
  border: 0;
  padding: 0;
  font-weight: 400;
}

.btn-secondary:hover { text-decoration: underline; transform: none; }

.hero {
  padding: 48px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  color: var(--sd-gray);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
  color: var(--sd-dark);
}

.hero p {
  margin: 0 0 22px;
  font-size: 18px;
  line-height: 1.7;
  color: #334155;
  max-width: 640px;
}

.hero-copy strong { color: var(--sd-dark); }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 26px 0 28px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.trust-pill {
  background: var(--sd-white);
  border: 1px solid rgba(15, 40, 75, 0.08);
  box-shadow: var(--shadow-card);
  border-radius: 999px;
  padding: 12px 16px;
  font-size: 14px;
  color: #334155;
  font-weight: 600;
}

.hero-visual {
  background: var(--sd-light);
  border-radius: var(--radius-xl);
  padding: 24px;
  border: 1px solid rgba(0,0,0,0.03);
}

.main-gallery {
  display: grid;
  gap: 16px;
}

.main-image {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(15, 40, 75, 0.08);
}

.main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
  cursor: zoom-in;
}

.thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.thumb {
  border: 0;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  border: 2px solid transparent;
  transition: transform .2s ease, border-color .2s ease;
  aspect-ratio: 1 / 1;
}

.thumb.active { border-color: var(--sd-yellow); }
.thumb:hover { transform: translateY(-2px); }
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-card {
  margin-top: 18px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border: 1px solid rgba(0,0,0,0.05);
}

.floating-card .metric-label {
  color: var(--sd-gray);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.floating-card .metric-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--sd-dark);
}

.section {
  padding: 32px 0;
}

.section-head {
  max-width: 740px;
  margin-bottom: 24px;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--sd-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  color: var(--sd-dark);
  letter-spacing: -1px;
}

.section-head p {
  margin: 0;
  color: var(--sd-gray);
  font-size: 17px;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card,
.detail-card,
.spec-card,
.cta-card,
.faq-item {
  background: var(--sd-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.06);
}

.feature-card {
  padding: 22px;
}

.icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--sd-light);
  color: var(--sd-dark);
  font-weight: 600;
  margin-bottom: 20px;
}

.feature-card h3,
.detail-card h3,
.faq-q {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
  color: var(--sd-dark);
}

.feature-card p,
.detail-card p,
.faq-a,
.spec-card li,
.detail-copy li {
  margin: 0;
  color: #475569;
  line-height: 1.7;
  font-size: 15px;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.detail-card {
  overflow: hidden;
}

.detail-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #fff;
}

.detail-card .detail-content {
  padding: 18px;
}

.split-block {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: center;
}

.split-media,
.split-copy {
  background: var(--sd-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
}

.split-media {
  padding: 18px;
}

.split-media img {
  width: 100%;
  border-radius: 20px;
  object-fit: contain;
  background: #fff;
}

.split-copy {
  padding: 28px;
}

.detail-copy ul {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 14px;
}

.detail-copy li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
}

.tick {
  width: 24px;
  height: 24px;
  color: var(--sd-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.spec-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.spec-card {
  padding: 24px;
}

.spec-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.spec-card li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  padding-bottom: 12px;
}

.spec-card li:last-child { border-bottom: 0; padding-bottom: 0; }
.label { font-weight: 600; color: var(--sd-dark); }

.cta-card {
  padding: 60px 40px;
  background: var(--sd-dark);
  color: var(--sd-white);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  overflow: hidden;
  position: relative;
  text-align: left;
}

.cta-card h2,
.cta-card p,
.cta-card .price,
.cta-card .mini-note {
  color: var(--sd-white);
  position: relative;
  z-index: 1;
}

.price {
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 900;
  letter-spacing: -1.6px;
  margin: 10px 0 8px;
}

.mini-note {
  color: rgba(255,255,255,0.78);
  font-size: 14px;
  line-height: 1.6;
}

.dynamic-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.btn-store {
  background: linear-gradient(135deg, var(--sd-accent) 0%, #ff4b2b 100%);
  color: #ffffff;
  font-size: 17px;
  padding: 18px 32px;
  box-shadow: 0 8px 24px rgba(227, 0, 34, 0.4);
  border-radius: 99px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  justify-content: center;
  border: 2px solid transparent;
}

.btn-store:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 16px 32px rgba(227, 0, 34, 0.5);
  background: linear-gradient(135deg, #ff4b2b 0%, var(--sd-accent) 100%);
}

.pulse-effect {
  animation: pulse-shadow 2.5s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-shadow {
  0% { box-shadow: 0 0 0 0 rgba(227, 0, 34, 0.6); }
  60% { box-shadow: 0 0 0 15px rgba(227, 0, 34, 0); }
  100% { box-shadow: 0 0 0 0 rgba(227, 0, 34, 0); }
}

.btn-store::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  animation: shimmer 4s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  15% { left: 200%; }
  100% { left: 200%; }
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  font-size: 16px;
  padding: 16px 32px;
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.25);
  border-radius: 99px;
  width: 100%;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.4);
  transform: translateY(-3px);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 20px 22px;
}

.faq-a {
  margin-top: 8px;
}

.footer {
  padding: 42px 0 60px;
  color: var(--sd-gray);
  font-size: 14px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal.open { display: flex; }
.modal img {
  max-width: min(1100px, 95vw);
  max-height: 90vh;
  object-fit: contain;
  background: #fff;
  border-radius: 24px;
  padding: 16px;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: #fff;
  border: 0;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  font-size: 22px;
  cursor: pointer;
}

.catalog-banner {
  background: linear-gradient(145deg, var(--sd-dark) 0%, #0f172a 100%);
  color: var(--sd-white);
  text-align: center;
  padding: 64px 24px;
  border-radius: var(--radius-xl);
  margin-bottom: 48px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.catalog-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(227, 0, 34, 0.1) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}

.catalog-banner .container {
  position: relative;
  z-index: 1;
}

.catalog-banner h2 {
  color: var(--sd-white);
  margin-bottom: 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.catalog-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.catalog-btn {
  background: #ffffff;
  color: var(--sd-dark);
  padding: 16px 36px;
  font-size: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
}

.catalog-btn:hover {
  background: var(--sd-light);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 32px rgba(0,0,0,0.4);
  color: var(--sd-accent);
}

@media (max-width: 960px) {
  .nav-links { display: none; }
}

@media (max-width: 960px) {
  .nav-links { display: none; }
}

@media (max-width: 1080px) {
  .hero-grid,
  .split-block,
  .spec-wrap,
  .cta-card,
  .details-grid,
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid { grid-template-columns: 1fr; }
  .split-block,
  .cta-card,
  .spec-wrap,
  .details-grid,
  .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 740px) {
  .thumbs { grid-template-columns: repeat(2, 1fr); }
  .floating-card { grid-template-columns: 1fr; }
  h1 { line-height: 1; }
  .hero p { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .btn, .btn-secondary { width: 100%; }
}