:root {
  --bg: #202224;
  --bg-light: #2b2d2f;
  --text: #f1eee8;
  --muted: #a8a6a1;
  --orange: #e87722;
  --border: #414345;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }

.site-header {
  height: 100px;
  padding: 0 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 25px; font-weight: 900; letter-spacing: -3px; }
.brand-mark span { color: var(--orange); }
.brand-name { font-size: 12px; font-weight: 700; letter-spacing: 3px; }

nav { display: flex; gap: 35px; }
nav a { font-size: 12px; letter-spacing: 1px; color: var(--muted); }
nav a:hover, .hero-link:hover { color: var(--orange); }

.hero {
  min-height: 700px;
  padding: 125px 7% 70px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-content { position: relative; z-index: 2; max-width: 760px; }

.eyebrow, .section-label {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--orange);
  font-weight: 700;
}

.eyebrow { display: flex; align-items: center; gap: 15px; }
.line { width: 35px; height: 1px; background: var(--orange); }

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(65px, 9vw, 135px);
  line-height: .95;
  letter-spacing: -6px;
  margin: 35px 0 20px;
  font-weight: 800;
}

h1 em, h2 em, .statement em {
  color: var(--orange);
  font-style: normal;
}

.hero-subtitle {
  font-size: clamp(23px, 3vw, 36px);
  letter-spacing: -1px;
  margin-bottom: 30px;
}

.hero-description {
  max-width: 510px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

.hero-link {
  display: inline-flex;
  gap: 30px;
  align-items: center;
  margin-top: 30px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--orange);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
}

.hero-link span { color: var(--orange); font-size: 22px; }

.hero-art {
  position: absolute;
  width: 580px;
  height: 580px;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  opacity: .35;
}

.orbit {
  position: absolute;
  border: 1px solid var(--orange);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one { width: 250px; height: 250px; }
.orbit-two { width: 400px; height: 400px; }
.orbit-three { width: 570px; height: 570px; }
.orbit-center {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--orange);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-index {
  position: absolute;
  bottom: 35px;
  right: 7%;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
}

.section { padding: 125px 7%; }

.about { background: var(--bg-light); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10%;
  margin-top: 55px;
}

h2 {
  font-size: clamp(40px, 5vw, 70px);
  letter-spacing: -3px;
  line-height: 1.08;
  font-weight: 750;
}

.about-copy p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 25px;
}

.ventures-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin: 55px 0 65px;
  gap: 30px;
}

.ventures-heading p { color: var(--muted); font-size: 14px; }

.venture-list { border-top: 1px solid var(--border); }

.venture {
  display: grid;
  grid-template-columns: 65px 1fr 230px;
  gap: 25px;
  align-items: center;
  padding: 42px 0;
  border-bottom: 1px solid var(--border);
}

.venture-number { font-size: 12px; color: var(--orange); }

.venture h3 {
  font-size: 30px;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.venture p {
  max-width: 600px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 0;
}

.venture-category {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-align: right;
}

.statement {
  padding: 110px 7%;
  background: var(--orange);
  color: var(--bg);
}

.statement span { font-size: 11px; letter-spacing: 3px; font-weight: 700; }

.statement p {
  margin: 45px 0 0;
  font-size: clamp(35px, 5vw, 75px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -3px;
}

.statement em { color: var(--text); }

.contact h2 { margin: 55px 0 35px; }
.contact p { color: var(--muted); }

.site-footer {
  padding: 35px 7%;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
}

@media (max-width: 800px) {
  .site-header { height: 80px; padding: 0 6%; }
  nav { gap: 15px; }
  nav a { font-size: 10px; }
  .brand-name { font-size: 10px; letter-spacing: 1px; }

  .hero { min-height: 650px; padding: 90px 6%; }
  h1 { letter-spacing: -3px; }
  .hero-art { right: -350px; opacity: .15; }

  .section { padding: 85px 6%; }
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .ventures-heading { display: block; }
  .venture { grid-template-columns: 35px 1fr; gap: 15px; }
  .venture-category { grid-column: 2; text-align: left; }
  .statement { padding: 85px 6%; }
  .statement p { letter-spacing: -1px; }
  .site-footer { flex-wrap: wrap; }
}

@media (max-width: 420px) {
  .site-header { flex-wrap: wrap; height: auto; padding-top: 20px; padding-bottom: 20px; gap: 20px; }
  nav { width: 100%; justify-content: space-between; }
}


/* BVTDynamix original logo */
.brand-logo {
  display: block;
  width: 180px;
  height: auto;
  object-fit: contain;
}

@media (max-width: 600px) {
  .brand-logo {
    width: 130px;
  }
}

/* BVTDynamix laboratory — header refinement */
.site-header {
  height: 124px;
}

.brand-logo {
  width: 165px;
  max-height: 108px;
  object-fit: contain;
}

@media (max-width: 800px) {
  .site-header {
    height: 105px;
  }

  .brand-logo {
    width: 145px;
    max-height: 94px;
  }
}

@media (max-width: 600px) {
  .brand-logo {
    width: 125px;
    max-height: 85px;
  }
}

/* BVTDynamix logo — increased presence */
.brand-logo {
  width: 220px;
  max-height: 120px;
  transition: transform 0.3s ease, filter 0.3s ease;
  transform-origin: left center;
}

.brand:hover .brand-logo {
  transform: scale(1.04);
  filter: drop-shadow(0 0 12px rgba(255, 130, 0, 0.35));
}

@media (max-width: 800px) {
  .brand-logo {
    width: 180px;
    max-height: 105px;
  }
}

@media (max-width: 600px) {
  .brand-logo {
    width: 145px;
    max-height: 90px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-logo {
    transition: none;
  }
}

/* BVTDynamix public contact email */
.contact .contact-email a {
  color: #FFD447;
  font-size: 22px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact .contact-email a:hover {
  color: #FFE88A;
  text-decoration: underline;
}


/* BVTDynamix centered header and link system */

.site-header {
  height: auto;
  min-height: 210px;
  padding: 24px 7% 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.site-header .brand {
  display: flex;
  justify-content: center;
  align-items: center;
}

.site-header .brand-logo {
  width: 220px;
  max-height: 130px;
  object-fit: contain;
  transform-origin: center center;
}

.site-header nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
}

a,
nav a,
.hero-link,
.contact .contact-email a {
  color: #FFD447;
}

a:hover,
nav a:hover,
.hero-link:hover,
.contact .contact-email a:hover {
  color: #FFE88A;
}

.site-header nav a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  transition: color .2s ease;
}

.hero {
  padding-top: 65px;
}

@media (max-width: 800px) {
  .site-header {
    min-height: 185px;
    padding: 22px 6%;
    gap: 10px;
  }

  .site-header .brand-logo {
    width: 190px;
    max-height: 115px;
  }

  .hero {
    padding-top: 55px;
  }
}

@media (max-width: 600px) {
  .site-header {
    min-height: 165px;
    padding: 18px 5%;
  }

  .site-header .brand-logo {
    width: 165px;
    max-height: 105px;
  }

  .site-header nav {
    width: 100%;
    justify-content: center;
    gap: 24px;
  }

  .hero {
    padding-top: 45px;
  }
}


/* BVTDynamix experimental minimal header */

.site-header {
  height: 76px;
  min-height: 0;
  padding: 0 7%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 0;
}

.site-header nav {
  width: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 42px;
}

.site-header nav a {
  color: #FFD447;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
}

.site-header nav a:hover {
  color: #FFE88A;
}

@media (max-width: 600px) {
  .site-header {
    height: 68px;
    min-height: 0;
    padding: 0 5%;
  }

  .site-header nav {
    width: auto;
    gap: 26px;
  }
}


/* BVTDynamix venture links */
.venture-link {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

.venture-link:hover,
.venture-link:focus-visible {
  color: #FFD447;
}

.venture-link span {
  display: inline-block;
  color: #FFD447;
  font-size: .65em;
  vertical-align: middle;
  transition: transform .2s ease;
}

.venture-link:hover span {
  transform: translate(3px, -3px);
}

@media (prefers-reduced-motion: reduce) {
  .venture-link,
  .venture-link span {
    transition: none;
  }
}