/* HERO */
section.product-hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: url("img/hero-senox.png") center / cover no-repeat;
}

.product-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.product-hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  max-width: 1200px;
  color: white;
  z-index: 2;
  gap: 40px;
}

.product-hero-left { max-width: 540px; }

.product-hero-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.product-hero-left h1 {
  font-size: clamp(2.4rem, 4.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 20px;
}

.product-hero-description {
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  opacity: 0.8;
  line-height: 1.75;
  margin-bottom: 40px;
}

.product-hero-specs {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.product-hero-stat span {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}

.product-hero-stat h3 {
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
}

.product-hero-button {
  display: inline-block;
  background: #fff;
  color: #1b2a1e;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.25s ease;
}

.product-hero-button:hover {
  background: rgba(255,255,255,0.88);
  transform: translateY(-2px);
}

.product-hero-device {
  width: 360px;
  flex-shrink: 0;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

/* SPECS STRIP */
.specs-strip {
  background: #1b2a1e;
  padding: 0 6%;
  display: flex;
}

.spec-item {
  flex: 1;
  padding: 28px 0;
  border-right: 1px solid rgba(255,255,255,0.07);
  text-align: center;
}

.spec-item:last-child { border-right: none; }

.spec-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
  margin-bottom: 8px;
}

.spec-value {
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.5px;
}

/* HOW IT WORKS */
.how-section {
  background: #fff;
  padding: 100px 6%;
}

.how-inner { max-width: 1200px; margin: 0 auto; }

.section-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 64px;
}

.prod-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(35,44,61,0.38);
  margin-bottom: 18px;
}

.prod-section-title {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.0;
  color: #1b2a1e;
  margin: 0;
}

.prod-section-body {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #6b7280;
  margin: 0;
  align-self: end;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}

.step {
  background: #f7fbff;
  padding: 36px 28px;
  position: relative;
}

.step:first-child { border-radius: 12px 0 0 12px; }
.step:last-child { border-radius: 0 12px 12px 0; }

.step-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(27,42,30,0.07);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -2px;
}

.step-title {
  font-size: 0.95rem;
  font-weight: 900;
  color: #1b2a1e;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.8rem;
  color: #6b7280;
  line-height: 1.65;
}

.step-arrow {
  position: absolute;
  top: 36px;
  right: 5px;
  width: 20px;
  height: 20px;
  background: #1b2a1e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.step-arrow::after {
  content: '→';
  color: #fff;
  font-size: 15px;
}

.step:last-child .step-arrow { display: none; }

/* SPLIT SECTIONS */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 70vh;
}

.split-section--reverse .split-img { order: 2; }
.split-section--reverse .split-content { order: 1; }

.split-img {
  position: relative;
  background-size: cover;
  background-position: center;
  background-color: #1b2a1e;
}

.split-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(21,35,24,0.25);
}

.split-content {
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px;
}

.split-content h2 {
  font-size: clamp(1.8rem, 2.8vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  color: #1b2a1e;
  margin-bottom: 20px;
}

.split-content p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #6b7280;
  margin-bottom: 28px;
}

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

.checklist li {
  font-size: 0.85rem;
  color: #232c3d;
  line-height: 1.6;
  margin-bottom: 12px;
  padding-left: 22px;
  position: relative;
  font-weight: 600;
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #22c55e;
  font-weight: 900;
}

/* FEATURES DARK */
.features-section {
  background: #1b2a1e;
  padding: 100px 6%;
}

.features-inner { max-width: 1200px; margin: 0 auto; }

.features-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 64px;
}

.features-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
  margin-bottom: 18px;
}

.features-title {
  font-size: clamp(2rem, 3.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.0;
  color: #fff;
  margin: 0;
}

.features-body {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.46);
  margin: 0;
  align-self: end;
}

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

.feat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 36px 32px;
  border-radius: 4px;
  transition: background 0.2s;
}

.feat:hover { background: rgba(255,255,255,0.07); }

.feat-title {
  font-size: 1rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 10px;
}

.feat-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.65;
}

.feat-stat {
  font-size: 1.8rem;
  font-weight: 900;
  color: #fff;
  margin-top: 20px;
  letter-spacing: -1px;
  line-height: 1;
}

.feat-stat-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-top: 6px;
}

/* CTA */
.product-cta-section {
  background: #1b2a1e;
  width: 100%;
  padding: 100px 6%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
}

.cta-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
  margin-bottom: 18px;
}

.cta-title {
  font-size: clamp(2rem, 3.5vw, 4rem);
  font-weight: 900;
  line-height: 1.0;
  color: #fff;
  margin: 0;
}

.cta-right { align-self: end; }

.cta-body {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.46);
  max-width: 400px;
  margin: 0 0 32px;
}

.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.cta-btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: #fff;
  color: #1b2a1e;
  border-radius: 8px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}

.cta-btn-primary:hover { background: rgba(255,255,255,0.88); }

.cta-btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  border-radius: 8px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.cta-btn-secondary:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .product-hero-container { flex-direction: column; text-align: center; }
  .product-hero-left { max-width: 100%; }
  .product-hero-device { width: 220px; }
  .product-hero-specs { justify-content: center; }
  .section-top, .features-top, .product-cta-section { grid-template-columns: 1fr; gap: 32px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step-arrow { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .split-section { grid-template-columns: 1fr; }
  .split-section--reverse .split-img { order: 1; }
  .split-section--reverse .split-content { order: 2; }
  .split-img { min-height: 300px; }
  .product-cta-section { padding: 72px 6%; }
  .specs-strip { flex-wrap: wrap; }
  .spec-item { flex: 1 1 33%; border-bottom: 1px solid rgba(255,255,255,0.07); }
}

@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .split-content { padding: 48px 28px; }
  .spec-item { flex: 1 1 50%; }
}