* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background: #030508;
  overscroll-behavior: none;
}

body {
  min-height: 100vh;
  position: relative;
  font-family: Arial, Helvetica, sans-serif;
  color: #f5f7fa;
  background:
    linear-gradient(
      90deg,
      rgba(3, 5, 8, 0.88) 0%,
      rgba(3, 5, 8, 0.68) 42%,
      rgba(3, 5, 8, 0.28) 100%
    ),
    url("assets/hero-bg.png");
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  background-repeat: no-repeat;
  overscroll-behavior: none;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 25% 20%, rgba(255, 0, 45, 0.12), transparent 32%),
    radial-gradient(circle at 70% 42%, rgba(0, 170, 255, 0.08), transparent 36%),
    linear-gradient(rgba(0, 200, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.018) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  z-index: 0;
}

.site-header,
.hero,
.services,
footer {
  position: relative;
  z-index: 1;
}

.logo-mark {
  width: 78px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter:
    drop-shadow(0 0 8px rgba(255, 0, 40, 0.55))
    drop-shadow(0 0 18px rgba(255, 0, 40, 0.25));
}

.site-header {
  padding: 28px 8%;
  border-bottom: 1px solid rgba(255, 40, 55, 0.22);
  backdrop-filter: blur(12px);
  background: rgba(3, 6, 10, 0.58);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand h1 sup {
  font-size: 0.65rem;
  color: #00d9ff;
  margin-left: 4px;
  position: relative;
  top: -0.2em;
  letter-spacing: 0;
}

.brand p {
  margin-top: 4px;
  color: #9fb3c8;
  letter-spacing: 0.12em;
}

.hero {
  min-height: 72vh;
  display: grid;
  align-items: center;
  padding: 80px 8%;
}

.hero-content {
  max-width: 900px;
  padding: 36px;
  border: 1px solid rgba(255, 40, 55, 0.35);
  border-radius: 24px;
  background: linear-gradient(
    135deg,
    rgba(6, 8, 13, 0.86),
    rgba(6, 12, 18, 0.72)
  );
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 42px rgba(0, 0, 0, 0.55),
    0 0 28px rgba(255, 0, 45, 0.12);
}

.eyebrow {
  color: #00d9ff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  margin-bottom: 18px;
}

.hero h2 {
  font-size: clamp(2.2rem, 5.2vw, 4.6rem);
  line-height: 1;
  max-width: 760px;
  text-transform: uppercase;
  text-shadow: 0 0 24px rgba(0, 217, 255, 0.25);
}

.hero-text {
  margin-top: 24px;
  max-width: 680px;
  color: #c5d3df;
  font-size: 1.12rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.btn.primary {
  color: #001018;
  background: #00d9ff;
  box-shadow: 0 0 24px rgba(0, 217, 255, 0.38);
}

.btn.secondary {
  color: #f5f7fa;
  border: 1px solid rgba(0, 217, 255, 0.5);
}

.services {
  padding: 70px 8%;
}

.services h2 {
  font-size: 2rem;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}

.card {
  padding: 24px;
  min-height: 120px;
  display: flex;
  align-items: end;
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 18px;
  background: rgba(7, 15, 23, 0.76);
  box-shadow: 0 0 28px rgba(0, 0, 0, 0.24);
}

.card:hover {
  border-color: rgba(0, 217, 255, 0.75);
  box-shadow: 0 0 28px rgba(0, 217, 255, 0.18);
  transform: translateY(-2px);
}

footer {
  padding: 28px 8%;
  color: #9fb3c8;
  border-top: 1px solid rgba(0, 200, 255, 0.18);
}

footer a {
  color: #00d9ff;
}

:root {
  background: #030508;
}

@media (max-width: 600px) {
  .site-header {
    padding: 18px 6%;
  }

  .brand {
    gap: 10px;
  }

  .logo-mark {
    width: 62px;
    height: 62px;
  }

  .brand h1 {
    font-size: 1.2rem;
    letter-spacing: 0.11em;
    line-height: 1.05;
  }

  .brand p {
    font-size: 0.78rem;
    letter-spacing: 0.09em;
  }

  .hero {
    padding: 42px 5%;
    min-height: 72vh;
  }

  .hero-content {
    padding: 24px;
    border-radius: 20px;
  }

  .eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
  }

  .hero h2 {
    font-size: clamp(2rem, 8.5vw, 2.8rem);
    line-height: 1.08;
  }

  .hero-text {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .btn {
    text-align: center;
    width: 100%;
  }
}

.shipping-notice {
  margin-top: 22px;
  max-width: 620px;
  color: #f5b7bd;
  font-size: 0.9rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  border-left: 3px solid rgba(255, 40, 55, 0.85);
  padding: 10px 0 10px 14px;
  background: rgba(255, 0, 40, 0.06);
  border-radius: 0 10px 10px 0;
}

.sustainability {
  padding: 70px 8%;
}

.sustainability-content {
  max-width: 900px;
  padding: 34px;
  border: 1px solid rgba(0, 217, 255, 0.28);
  border-radius: 24px;
  background: linear-gradient(
    135deg,
    rgba(3, 10, 14, 0.86),
    rgba(5, 18, 22, 0.68)
  );
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 42px rgba(0, 0, 0, 0.45),
    0 0 28px rgba(0, 217, 255, 0.12);
}

.sustainability h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 0 0 22px rgba(0, 217, 255, 0.24);
}

.sustainability p {
  max-width: 760px;
  color: #c5d3df;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-top: 16px;
}

.donation-note {
  color: #f5b7bd !important;
  border-left: 3px solid rgba(255, 40, 55, 0.85);
  padding: 10px 0 10px 14px;
  background: rgba(255, 0, 40, 0.06);
  border-radius: 0 10px 10px 0;
}

.footer-address {
  margin-top: 8px;
  color: #9fb3c8;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.technical-services {
  padding: 70px 8%;
}

.technical-content {
  max-width: 1050px;
  padding: 34px;
  border: 1px solid rgba(255, 40, 55, 0.28);
  border-radius: 24px;
  background: linear-gradient(
    135deg,
    rgba(8, 8, 14, 0.86),
    rgba(12, 18, 26, 0.72)
  );
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 42px rgba(0, 0, 0, 0.48),
    0 0 28px rgba(255, 0, 45, 0.10);
}

.technical-content h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 0 0 22px rgba(255, 0, 45, 0.24);
}

.technical-content > p {
  max-width: 820px;
  color: #c5d3df;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-top: 16px;
}

.technical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.tech-card {
  padding: 22px;
  border: 1px solid rgba(0, 217, 255, 0.22);
  border-radius: 18px;
  background: rgba(7, 15, 23, 0.78);
  box-shadow: 0 0 28px rgba(0, 0, 0, 0.28);
}

.tech-card:hover {
  border-color: rgba(255, 40, 55, 0.72);
  box-shadow: 0 0 28px rgba(255, 0, 45, 0.16);
  transform: translateY(-2px);
}

.tech-card h3 {
  color: #00d9ff;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1rem;
}

.tech-card p {
  color: #c5d3df;
  line-height: 1.6;
  font-size: 0.95rem;
}

.tech-notice {
  color: #f5b7bd !important;
  border-left: 3px solid rgba(255, 40, 55, 0.85);
  padding: 10px 0 10px 14px;
  background: rgba(255, 0, 40, 0.06);
  border-radius: 0 10px 10px 0;
}