:root {
  --bt-orange: #f26522;
  --bt-orange-dk: #d4541a;
  --bt-navy: #1903a6;
  --bt-navy-dk: #160586;
  --bt-dark-gray: #081929;
  --bt-light: #f5f7fa;
  --bt-border: #e5e7eb;
  --bt-text: #1f2937;
  --bt-muted: #6b7280;
}

/* ── HERO ── */
.bt-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
  overflow: hidden;
  margin: 0 -15px;
}

.bt-hero-left {
  background: var(--bt-light);
  padding: 60px 50px 60px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bt-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bt-orange);
  margin-bottom: 16px;
  display: block;
}

.bt-hero-left h1 {
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.bt-hero-left h1 .line-dark {
  display: block;
  color: var(--bt-navy);
}
.bt-hero-left h1 .line-orange {
  display: block;
  color: var(--bt-orange);
}

.bt-hero-left p {
  font-size: clamp(14px, 1rem, 1.05rem);
  color: var(--bt-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 420px;
}

.bt-btn-primary {
  display: inline-block;
  background: var(--bt-navy);
  color: #fff !important;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s;
  width: fit-content;
}

.bt-btn-primary:hover {
  background: var(--bt-navy-dk);
  text-decoration: none;
}

.bt-hero-right {
  position: relative;
  overflow: hidden;
  background: #0a1929;
}

.bt-hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 820px) {
  .bt-hero {
    grid-template-columns: 1fr;
  }
  .bt-hero-right {
    min-height: 260px;
  }
  .bt-hero-left {
    padding: 40px 24px;
  }
}

/* ── SOLUTIONS ── */
.bt-solutions {
  padding: 70px 30px;
  background: #fff;
  text-align: center;
}

.bt-section-heading {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--bt-navy);
  margin-bottom: 0;
  display: inline-block;
  position: relative;
  padding-bottom: 14px;
}

.bt-section-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--bt-orange);
  border-radius: 2px;
}

.bt-solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1060px;
  margin: 48px auto 0;
  text-align: left;
}

.bt-solution-card {
  border: 1px solid var(--bt-border);
  border-top: 3px solid var(--bt-orange);
  border-radius: 0 0 10px 10px;
  padding: 28px 24px 26px;
  transition:
    box-shadow 0.2s,
    transform 0.2s;
}

.bt-solution-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.bt-solution-icon {
  width: 40px;
  height: 40px;
  background: rgba(242, 101, 34, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--bt-orange);
  margin-bottom: 16px;
}

.bt-solution-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--bt-orange);
  margin-bottom: 10px;
}

.bt-solution-card p {
  font-size: 14px;
  color: var(--bt-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.bt-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--bt-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.15s;
}

.bt-card-link:hover {
  text-decoration: none;
  gap: 8px;
}

@media (max-width: 900px) {
  .bt-solutions-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .bt-solutions {
    padding: 50px 20px;
  }
  .bt-solutions-grid {
    grid-template-columns: 1fr;
  }
}

/* ── PLATFORM (dark gray band) ── */
.bt-platform {
  background: var(--bt-dark-gray);
  padding: 72px 30px 80px;
  margin: 0 -15px;
  color: #fff;
  text-align: center;
}

.bt-platform-heading {
  max-width: 720px;
  margin: 0 auto 56px;
}

.bt-platform-heading h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.bt-platform-accent {
  color: var(--bt-orange);
}

.bt-platform-sub {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  font-weight: 600;
  color: #4a90d9;
  margin-bottom: 14px;
}

.bt-platform-desc {
  font-size: clamp(13px, 0.95rem, 1rem);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin: 0;
}

/* Four feature cards */
.bt-platform-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1060px;
  margin: 0 auto;
  text-align: left;
}

.bt-platform-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 22px 20px;
}

.bt-platform-card-header {
  margin-bottom: 14px;
}

.bt-platform-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(242, 101, 34, 0.15);
  border: 1px solid rgba(242, 101, 34, 0.25);
  font-size: 17px;
  color: var(--bt-orange);
  margin-bottom: 12px;
}

.bt-platform-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.4;
}

.bt-platform-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bt-platform-card-list li {
  font-size: 12.5px;
  color: var(--bt-orange);
  padding: 3px 0;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .bt-platform-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .bt-platform {
    padding: 50px 20px;
  }
  .bt-platform-cards {
    grid-template-columns: 1fr;
  }
}

/* ── CORE PRODUCTS ── */
.bt-core {
  padding: 70px 30px;
  margin: 0 -15px;
  background: var(--bt-light);
}

.bt-core-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: 1060px;
  margin: 0 auto 36px;
  flex-wrap: wrap;
  gap: 12px;
}

.bt-core-header-left h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 800;
  color: var(--bt-navy);
  margin: 0 0 6px;
}

.bt-core-header-left p {
  font-size: 14px;
  color: var(--bt-muted);
  margin: 0;
}

.bt-view-all {
  font-size: 14px;
  font-weight: 600;
  color: var(--bt-orange);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.15s;
}

.bt-view-all:hover {
  text-decoration: none;
  gap: 8px;
}

.bt-core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1060px;
  margin: 0 auto;
}

.bt-core-card {
  background: #fff;
  border: 1px solid var(--bt-border);
  border-radius: 10px;
  padding: 26px 24px;
  transition: box-shadow 0.2s;
}

.bt-core-card:hover {
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.07);
}

.bt-core-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.bt-core-icon {
  font-size: 22px;
  color: var(--bt-orange);
  flex-shrink: 0;
}

.bt-core-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--bt-navy);
  margin: 0;
}

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

.bt-core-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--bt-muted);
  padding: 5px 0;
  line-height: 1.5;
}

.bt-core-list li i {
  color: var(--bt-orange);
  font-size: 14px;
  margin-top: 1px;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .bt-core-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .bt-core {
    padding: 50px 20px;
  }
  .bt-core-grid {
    grid-template-columns: 1fr;
  }
}

/* ── CTA ── */
.bt-cta {
  padding: 30px 30px 0 30px;
  background: #fff;
  text-align: center;
}

.bt-cta h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--bt-navy);
  margin-bottom: 14px;
}

.bt-cta p {
  font-size: clamp(14px, 1rem, 1.05rem);
  color: var(--bt-muted);
  max-width: 520px;
  margin: 0 auto 30px;
  line-height: 1.7;
}

.bt-cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.bt-btn-demo {
  display: inline-block;
  background: var(--bt-navy);
  color: #fff !important;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s;
}

.bt-btn-demo:hover {
  background: var(--bt-navy-dk);
  text-decoration: none;
}

.bt-btn-trial {
  display: inline-block;
  background: var(--bt-orange);
  color: #fff !important;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s;
}

.bt-btn-trial:hover {
  background: var(--bt-orange-dk);
  text-decoration: none;
}

.bt-cta-fine {
  font-size: 12px;
  color: #9ca3af;
  margin: 0;
}