/* Homepage */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 12vw, 120px) 0 clamp(64px, 10vw, 96px);
  text-align: center;
  color: #fff;
  background: var(--gradient-hero);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
}

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

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  max-width: 18ch;
  margin-inline: auto;
  margin-bottom: 20px;
}

.hero .tagline {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 38rem;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background: #fff;
  color: var(--brand-dark);
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--brand-dark);
  text-decoration: none;
}

.btn-hero-outline {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}
.btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  text-decoration: none;
}

/* Signal band */
.signal-band {
  margin-top: -32px;
  position: relative;
  z-index: 2;
  padding-bottom: 16px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.signal-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-md);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition);
}
.signal-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.signal-card .num {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 6px;
}

.signal-card .lbl {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Sections */
.mission {
  padding: clamp(64px, 10vw, 96px) 0;
  text-align: center;
}

.use-cases {
  padding: 0 0 clamp(64px, 10vw, 88px);
}

.use-cases .section-title,
.products .section-title,
.process .section-title,
.values .section-title,
.newsletter .section-title {
  text-align: center;
  margin-bottom: 40px;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.use-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
}
.use-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.use-item h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.use-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Products */
.products {
  padding: 0 0 clamp(72px, 10vw, 96px);
}

.product-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 1140px;
  margin-inline: auto;
}

.product-card {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card .card-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(8px, 1.5vw, 14px);
  min-height: clamp(400px, 44vw, 540px);
  background: linear-gradient(145deg, #0f766e 0%, #134e4a 40%, #1e3a8a 100%);
  position: relative;
  overflow: hidden;
}
.product-card .card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.12), transparent 50%);
}

.product-card .card-visual img {
  position: relative;
  z-index: 1;
  width: min(100%, 200px);
  border-radius: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.product-card .card-visual img.product-box-img {
  width: 108%;
  max-width: 108%;
  height: auto;
  max-height: min(78vh, 620px);
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.32));
}

.product-card:nth-child(2) .card-visual {
  background: linear-gradient(145deg, #6d28d9 0%, #5b21b6 50%, #4c1d95 100%);
}

.product-card:nth-child(3) .card-visual {
  background: linear-gradient(145deg, #0891b2 0%, #0e7490 50%, #155e75 100%);
}

.product-card .card-body {
  padding: clamp(28px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-card .card-body h3 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.product-tagline {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.product-card ul {
  list-style: none;
  margin-bottom: 24px;
}
.product-card ul li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 5px 0 5px 22px;
  position: relative;
}
.product-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.products-intro {
  margin: -8px auto 36px;
  text-align: center;
}

.products-footnote {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 48px;
}

/* Upcoming products */
.upcoming {
  padding: 0 0 clamp(72px, 10vw, 96px);
}

.upcoming-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 960px;
  margin-inline: auto;
}

.upcoming-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.upcoming-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--gradient-hero);
  box-shadow: var(--shadow-sm);
}

.upcoming-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0;
}

.upcoming-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin: 0;
}

.badge-soon {
  align-self: flex-start;
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
  border: 1px solid rgba(37, 99, 235, 0.18);
}

/* Process */
.process {
  padding: clamp(64px, 10vw, 88px) 0;
  background: var(--bg-muted);
  border-block: 1px solid var(--border-subtle);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.process-step {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow-xs);
}

.process-step .step {
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 8px;
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.process-step p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Values */
.values {
  padding: clamp(64px, 10vw, 96px) 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 900px;
  margin-inline: auto;
}

.value-item {
  text-align: center;
  padding: 24px 16px;
}

.value-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.12), rgba(30, 58, 138, 0.08));
  border: 1px solid rgba(13, 148, 136, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
}

.value-item h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.value-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Newsletter CTA */
.newsletter {
  padding: clamp(64px, 10vw, 88px) 0;
  text-align: center;
}

.newsletter .section-lead {
  margin: 0 auto 32px;
  text-align: center;
}

.newsletter .cta-row {
  justify-content: center;
}

@media (max-width: 900px) {
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .use-grid { grid-template-columns: repeat(2, 1fr); }
  .upcoming-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr; gap: 24px; }
  .product-card { grid-template-columns: 1fr; }
  .product-card .card-visual {
    min-height: clamp(340px, 72vw, 520px);
    padding: clamp(12px, 4vw, 24px);
  }
  .product-card .card-visual img.product-box-img {
    width: 100%;
    max-width: 100%;
    max-height: min(68vw, 520px);
  }
}

@media (max-width: 560px) {
  .signal-grid,
  .use-grid,
  .process-grid { grid-template-columns: 1fr; }
  .signal-band { margin-top: -20px; }
}