:root {
  color-scheme: dark;
  --ink: #f7f3ea;
  --muted: #bdb7aa;
  --soft: #e1d8c9;
  --black: #10100f;
  --charcoal: #171818;
  --panel: #20211f;
  --line: rgba(247, 243, 234, 0.15);
  --red: #ee3d36;
  --teal: #15bfc0;
  --green: #54d681;
  --gold: #d9a14a;
  --max: 1180px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  line-height: 1.5;
}

body::selection {
  background: var(--red);
  color: #fff;
}

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

img,
svg {
  display: block;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(16, 16, 15, 0.76);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  min-height: 68px;
  padding: 14px clamp(18px, 5vw, 48px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 760;
  gap: 10px;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(238, 61, 54, 0.94), rgba(21, 191, 192, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 850;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2.6vw, 30px);
  justify-content: flex-end;
}

.nav a {
  color: rgba(247, 243, 234, 0.78);
  font-size: 0.92rem;
  font-weight: 650;
  transition:
    color 160ms ease,
    transform 160ms ease;
}

.nav a:hover {
  color: #fff;
  transform: translateY(-1px);
}

.hero {
  align-items: stretch;
  display: grid;
  min-height: 94svh;
  overflow: hidden;
  padding: 118px clamp(18px, 5vw, 48px) 38px;
  position: relative;
}

.hero-media,
.hero-overlay {
  inset: 0;
  position: absolute;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  width: 100%;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(16, 16, 15, 0.95) 0%, rgba(16, 16, 15, 0.78) 33%, rgba(16, 16, 15, 0.3) 68%, rgba(16, 16, 15, 0.7) 100%),
    linear-gradient(180deg, rgba(16, 16, 15, 0.34) 0%, rgba(16, 16, 15, 0.52) 70%, #10100f 100%);
}

.hero-content {
  align-self: center;
  max-width: 720px;
  padding-bottom: 72px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 820;
  letter-spacing: 0;
  margin: 0 0 14px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(4.25rem, 14vw, 10.5rem);
  letter-spacing: 0;
  line-height: 0.84;
  margin-bottom: 26px;
  max-width: 100%;
}

h2 {
  font-size: clamp(2.1rem, 5vw, 4.5rem);
  letter-spacing: 0;
  line-height: 0.94;
  margin-bottom: 0;
}

h3 {
  font-size: 1.18rem;
  letter-spacing: 0;
  line-height: 1.12;
  margin-bottom: 12px;
}

.hero-copy {
  color: rgba(247, 243, 234, 0.88);
  font-size: clamp(1.04rem, 1.7vw, 1.28rem);
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 760;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--red);
  color: #fff;
}

.button-primary:hover {
  background: #ff534d;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--ink);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
}

.hero-strip {
  align-self: end;
  border-top: 1px solid rgba(247, 243, 234, 0.2);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--max);
  position: relative;
  width: 100%;
  z-index: 2;
}

.hero-strip span {
  background: rgba(16, 16, 15, 0.42);
  color: rgba(247, 243, 234, 0.82);
  font-size: 0.86rem;
  font-weight: 720;
  min-height: 52px;
  padding: 16px 12px;
}

.section,
.section-band,
.contact {
  padding: clamp(76px, 9vw, 128px) clamp(18px, 5vw, 48px);
}

.section-band {
  background: var(--ink);
  color: #171615;
}

.section-inner {
  margin: 0 auto;
  max-width: var(--max);
}

.intro-grid,
.systems-grid,
.contact-inner {
  display: grid;
  gap: clamp(30px, 5vw, 72px);
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
}

.intro .eyebrow,
.systems .eyebrow {
  color: #a12624;
}

.intro p:not(.eyebrow),
.systems-copy p {
  color: rgba(23, 22, 21, 0.75);
  font-size: clamp(1.06rem, 1.8vw, 1.32rem);
  margin-bottom: 0;
}

.section-heading {
  margin-bottom: clamp(34px, 5vw, 58px);
  max-width: 880px;
}

.section-heading.compact {
  max-width: 760px;
}

.service-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 286px;
  padding: 26px;
  position: relative;
}

.service-card::before {
  background: linear-gradient(90deg, var(--red), var(--teal), var(--green));
  content: "";
  height: 3px;
  left: 0;
  opacity: 0.88;
  position: absolute;
  right: 0;
  top: 0;
}

.service-card p,
.fit-item p,
.contact-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.icon {
  align-items: center;
  background: rgba(247, 243, 234, 0.06);
  border: 1px solid rgba(247, 243, 234, 0.14);
  border-radius: 8px;
  color: var(--teal);
  display: inline-flex;
  height: 46px;
  justify-content: center;
  margin-bottom: 24px;
  width: 46px;
}

.icon svg {
  fill: none;
  height: 25px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 25px;
}

.systems {
  overflow: hidden;
  position: relative;
}

.systems-grid {
  align-items: start;
}

.systems-copy {
  position: sticky;
  top: 110px;
}

.signal-panel {
  background: #171615;
  border-radius: 8px;
  color: var(--ink);
  overflow: hidden;
}

.signal-row {
  display: grid;
  gap: 18px;
  grid-template-columns: 52px 120px 1fr;
  min-height: 98px;
  padding: 24px;
}

.signal-row + .signal-row {
  border-top: 1px solid rgba(247, 243, 234, 0.13);
}

.signal-row span {
  color: var(--gold);
  font-weight: 820;
}

.signal-row strong {
  color: #fff;
  font-size: 1.05rem;
}

.signal-row p {
  color: rgba(247, 243, 234, 0.68);
  margin-bottom: 0;
}

.fit-grid {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fit-item {
  border-bottom: 1px solid var(--line);
  min-height: 162px;
  padding: 28px 28px 28px 0;
}

.fit-item:nth-child(even) {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}

.fit-item strong {
  color: #fff;
  display: block;
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.contact {
  background:
    linear-gradient(135deg, rgba(238, 61, 54, 0.2), rgba(21, 191, 192, 0.16)),
    #171818;
  border-top: 1px solid var(--line);
}

.contact-inner {
  align-items: center;
}

.contact-card {
  background: rgba(16, 16, 15, 0.74);
  border: 1px solid rgba(247, 243, 234, 0.16);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 38px);
}

.contact-card .button {
  margin-top: 28px;
}

.footer {
  align-items: center;
  color: rgba(247, 243, 234, 0.68);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  padding: 24px clamp(18px, 5vw, 48px);
}

.footer span:first-child {
  color: var(--ink);
  font-weight: 780;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    min-height: 96px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 92svh;
    padding-top: 146px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(16, 16, 15, 0.96) 0%, rgba(16, 16, 15, 0.72) 58%, rgba(16, 16, 15, 0.42) 100%),
      linear-gradient(180deg, rgba(16, 16, 15, 0.2) 0%, #10100f 100%);
  }

  .hero-strip,
  .service-grid,
  .intro-grid,
  .systems-grid,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .systems-copy {
    position: static;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: absolute;
  }

  .nav {
    gap: 10px 18px;
  }

  .nav a {
    font-size: 0.86rem;
  }

  .hero {
    min-height: auto;
    padding-top: 138px;
  }

  h1 {
    font-size: clamp(2.9rem, 13.5vw, 4rem);
  }

  .hero-content {
    padding-bottom: 34px;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-strip {
    border-bottom: 1px solid rgba(247, 243, 234, 0.2);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-strip span {
    min-height: 48px;
  }

  .service-card {
    min-height: auto;
  }

  .signal-row {
    gap: 8px;
    grid-template-columns: 42px 1fr;
  }

  .signal-row p {
    grid-column: 2;
  }

  .fit-grid {
    grid-template-columns: 1fr;
  }

  .fit-item,
  .fit-item:nth-child(even) {
    border-left: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .button {
    width: 100%;
  }
}