:root {
  --bg: #0b0b0c;
  --bg-alt: #101013;
  --line: #1c1c20;
  --line-soft: #2a2a30;
  --text: #f2f2f3;
  --text-dim: #e8e8ea;
  --text-muted: #b8b8bd;
  --text-mute-2: #a8a8ae;
  --text-faint: #8f8f97;
  --text-faint-2: #8a8a92;
  --accent: #f5b21a;
  --accent-shadow: rgba(245, 178, 26, 0.9);

  --font-display: 'Archivo Black', sans-serif;
  --font-condensed: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--accent); }

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 44px;
}

.accent { color: var(--accent); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 28px;
  border-radius: 2px;
  white-space: nowrap;
}
.btn:hover { color: inherit; }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  box-shadow: 0 20px 50px -26px var(--accent-shadow);
}
.btn-primary:hover { background: #ffc23d; color: var(--bg); }

.btn-outline {
  color: var(--accent);
  border: 1px solid rgba(245, 178, 26, 0.4);
  padding: 11px 22px;
}
.btn-outline:hover { background: rgba(245, 178, 26, 0.08); color: var(--accent); }

.btn-link {
  color: var(--text-dim);
  font-weight: 600;
  border-bottom: 1px solid rgba(245, 178, 26, 0.55);
  padding: 16px 4px;
}
.btn-link:hover { color: var(--accent); }

.btn-block { width: 100%; margin-top: auto; }

.icon-whatsapp {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: currentColor;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 12, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo:hover { color: inherit; }
.logo-mark {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  background-image: linear-gradient(18deg, var(--accent) 0%, var(--text) 75%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.logo-sub {
  font-family: var(--font-condensed);
  font-size: 11px;
  letter-spacing: 0.42em;
  color: var(--text-faint-2);
  margin-top: 4px;
}

.main-nav {
  display: flex;
  gap: 34px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-left: auto;
  margin-right: 34px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--line-soft);
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  margin: 0 7px;
  background: var(--text-muted);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 24px;
  border-top: 1px solid var(--line);
}
.mobile-nav a {
  padding: 12px 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
}
.mobile-nav .btn { margin-top: 14px; }

/* Hero */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  background-color: var(--bg);
  background-image:
    linear-gradient(90deg, rgba(11, 11, 12, 0.97) 0%, rgba(11, 11, 12, 0.92) 26%, rgba(11, 11, 12, 0.6) 48%, rgba(11, 11, 12, 0.2) 68%, rgba(11, 11, 12, 0) 88%),
    url('images/hero-bg.jpg');
  background-size: cover, cover;
  background-position: center, right center;
  background-repeat: no-repeat, no-repeat;
}

.hero-copy {
  padding: 88px 0 84px;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 62px;
  line-height: 0.94;
  letter-spacing: -0.025em;
  text-wrap: pretty;
}

.lead {
  margin: 0;
  max-width: 34ch;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}

/* About */
.about {
  border-top: 1px solid var(--line);
}
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 56px;
  align-items: start;
  padding-top: 92px;
  padding-bottom: 92px;
}
.about-heading h2 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.about-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 17px;
  line-height: 1.65;
  color: #c8c8cd;
}
.about-copy p { margin: 0; }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint-2);
  letter-spacing: 0.06em;
}

/* Product */
.product {
  background: var(--bg-alt);
  padding: 88px 0;
  border-top: 1px solid var(--line);
}
.product-title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: -0.02em;
}
.product-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.product-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: stretch;
  border-top: 1px solid var(--line);
  padding-top: 44px;
}

/* Carousel */
.carousel-controls {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.carousel-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
}
.carousel-arrow svg { width: 20px; height: 20px; }
.carousel-arrow:hover { border-color: var(--accent); color: var(--accent); }
.carousel-arrow:disabled { opacity: 0.35; cursor: default; border-color: var(--line-soft); color: var(--text-muted); }

.carousel { position: relative; }
.carousel-viewport { overflow: hidden; }
.carousel-track {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
}
.carousel-track:active { cursor: grabbing; }
.carousel-slide {
  flex: 0 0 100%;
  min-width: 0;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: var(--line-soft);
  cursor: pointer;
}
.carousel-dot:hover { background: var(--text-faint); }
.carousel-dot.is-active { background: var(--accent); width: 24px; border-radius: 4px; }
.product-media {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(56% 44% at 50% 50%, rgba(245, 178, 26, 0.12) 0%, rgba(16, 16, 19, 0) 72%);
}
.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-media-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}
.product-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.product-name-title {
  font-family: var(--font-condensed);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.05;
}
.product-name-sub {
  font-size: 15px;
  color: var(--text-faint-2);
  margin-top: 8px;
}
.spec-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
  margin: 0;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.spec-row-last { border-bottom: none; }
.spec-row dt { color: var(--text-faint-2); font-weight: 400; }
.spec-row dd { margin: 0; font-weight: 600; }

/* Differentiators */
.differentiators { padding: 88px 0; }
.differentiators-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
}
.differentiator { border-top: 1px solid var(--line-soft); padding-top: 22px; }
.differentiator-title {
  font-family: var(--font-condensed);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.differentiator p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-mute-2);
}

/* CTA */
.cta {
  position: relative;
  border-top: 1px solid var(--line);
  background: radial-gradient(90% 120% at 20% 50%, rgba(245, 178, 26, 0.12) 0%, rgba(11, 11, 12, 0) 65%);
}
.cta-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 84px;
  padding-bottom: 84px;
  flex-wrap: wrap;
}
.cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.025em;
}
.cta p {
  margin: 16px 0 0;
  font-size: 17px;
  max-width: 40ch;
  line-height: 1.55;
  color: var(--text-muted);
}
.cta-card {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 26px 36px;
  border: 1px solid rgba(245, 178, 26, 0.45);
  box-shadow: 0 0 0 1px rgba(245, 178, 26, 0.08), 0 24px 60px -30px rgba(245, 178, 26, 0.55);
  background: rgba(245, 178, 26, 0.04);
}
.cta-card:hover { background: rgba(245, 178, 26, 0.09); }
.cta-card-icon {
  width: 30px;
  height: 30px;
  fill: var(--accent);
}
.cta-card-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-faint);
}
.cta-card-cta {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.015em;
  color: var(--accent);
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 26px;
  padding-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

/* Floating WhatsApp button */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1px solid rgba(245, 178, 26, 0.45);
  box-shadow: 0 0 0 1px rgba(245, 178, 26, 0.08), 0 24px 60px -20px rgba(245, 178, 26, 0.65);
  background: rgba(11, 11, 12, 0.9);
  backdrop-filter: blur(6px);
  transition: transform 0.2s ease, background 0.2s ease;
}
.whatsapp-float:hover {
  background: rgba(245, 178, 26, 0.12);
  transform: translateY(-3px);
  color: inherit;
}
.whatsapp-float .icon-whatsapp {
  width: 28px;
  height: 28px;
  fill: var(--accent);
}

/* Responsive */
@media (max-width: 960px) {
  .wrap { padding: 0 28px; }

  .main-nav, .header-inner > .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  .site-header.is-open .mobile-nav { display: flex; }

  .hero {
    min-height: 520px;
    background-image:
      linear-gradient(180deg, rgba(11, 11, 12, 0.7) 0%, rgba(11, 11, 12, 0.88) 55%, rgba(11, 11, 12, 0.97) 100%),
      url('images/hero-bg.jpg');
  }
  .hero-copy { padding: 56px 0 40px; max-width: 100%; }
  .hero-copy h1 { font-size: 46px; }

  .about-grid { grid-template-columns: 1fr; padding-top: 64px; padding-bottom: 64px; gap: 28px; }

  .product { padding: 64px 0; }
  .product-header { align-items: flex-start; }
  .product-grid { grid-template-columns: 1fr; }
  .carousel-controls { display: none; }

  .differentiators { padding: 64px 0; }
  .differentiators-grid { grid-template-columns: 1fr; gap: 32px; }

  .cta-grid { padding-top: 56px; padding-bottom: 56px; }
  .cta h2 { font-size: 34px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .hero-copy h1 { font-size: 36px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .whatsapp-float .icon-whatsapp { width: 25px; height: 25px; }
}