/* Strata One theme — dark, logo-matched, motion-forward */

:root {
  --bg: #05070a;
  --bg-elevated: #0a1016;
  --bg-soft: #101820;
  --blue: #2098e0;
  --blue-deep: #0068c8;
  --blue-glow: rgba(32, 152, 224, 0.45);
  --silver: #e8eef4;
  --muted: #8fa0b0;
  --line: #1a2836;
  --white: #f8f8f8;
  --font-display: "Montserrat", "Segoe UI", sans-serif;
  --font-body: "Montserrat", "Segoe UI", sans-serif;
  --max: 1140px;
  --header-h: 6.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--muted);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--white);
}

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.wrap {
  width: min(100% - 2.25rem, var(--max));
  margin-inline: auto;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Typography */
.eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  color: var(--silver);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.15rem);
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  margin: 0 0 0.85rem;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lead {
  font-size: 1.125rem;
  max-width: 42rem;
  margin: 0 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 10, 0.9);
  backdrop-filter: blur(12px);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1.25rem;
}

.brand img {
  height: 5.25rem;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  color: var(--silver);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--blue);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--blue);
  color: var(--white) !important;
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-deep) 100%);
  letter-spacing: 0.1em !important;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.nav-cta:hover {
  color: var(--white) !important;
  box-shadow: 0 0 28px var(--blue-glow);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--silver);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.1rem 1.1rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 0.65rem;
    justify-content: center;
  }
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: var(--bg-elevated);
  padding: 2.75rem 0 2.25rem;
}

.site-footer .inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
}

.site-footer .brand img {
  height: 4.5rem;
}

.footer-meta {
  font-size: 0.9rem;
}

.footer-meta p {
  margin: 0 0 0.35rem;
}

.footer-meta a {
  color: var(--silver);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease),
    background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-deep) 100%);
  border-color: var(--blue-deep);
}

.btn-primary:hover {
  color: var(--white);
  box-shadow: 0 0 32px var(--blue-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--silver);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--white);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Hero — full-bleed photo plane */
.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.1s var(--ease);
}

.hero-slide.is-active {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-slide.is-active {
    animation: kenburns 14s ease-out forwards;
  }
}

@keyframes kenburns {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      105deg,
      rgba(5, 7, 10, 0.92) 0%,
      rgba(5, 7, 10, 0.78) 42%,
      rgba(5, 7, 10, 0.45) 72%,
      rgba(5, 7, 10, 0.55) 100%
    ),
    radial-gradient(ellipse 55% 50% at 75% 40%, rgba(32, 152, 224, 0.2), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(32, 152, 224, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 152, 224, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  opacity: 0.55;
  pointer-events: none;
  animation: gridPulse 6s ease-in-out infinite;
}

@keyframes gridPulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.65;
  }
}

.hero-content {
  position: relative;
  width: min(100% - 2.25rem, var(--max));
  margin-inline: auto;
  padding: clamp(3.5rem, 8vh, 5rem) 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-sizing: border-box;
}

.hero-content > * {
  max-width: 36rem;
}

.hero-brand {
  margin: 0 0 1.35rem;
  line-height: 0;
  max-width: none;
}

.hero-brand img {
  display: block;
  width: min(100%, 22rem);
  height: auto;
  filter: drop-shadow(0 8px 28px rgba(0, 0, 0, 0.55));
}

.hero .eyebrow {
  margin: 0 0 0.75rem;
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 18ch;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
}

.hero .lead {
  margin: 0 0 1.75rem;
  color: #b7c4d0;
  max-width: 34rem;
}

.hero .btn-row {
  margin: 0;
  max-width: none;
}

@media (max-width: 600px) {
  .brand img {
    height: 3.75rem;
  }

  .site-footer .brand img {
    height: 3.5rem;
  }

  :root {
    --header-h: 5rem;
  }

  .hero-brand img {
    width: min(100%, 16.5rem);
  }
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  position: relative;
}

.section-tight {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
}

.section-dark {
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
}

.section-media {
  position: relative;
  min-height: 420px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.section-media .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  filter: brightness(0.45) saturate(0.9);
  z-index: -1;
}

.section-media .veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 7, 10, 0.92) 0%, rgba(5, 7, 10, 0.55) 55%, rgba(5, 7, 10, 0.35) 100%);
  z-index: -1;
}

.section-media .copy {
  max-width: 34rem;
  padding: 3.5rem 0;
}

/* Capability / feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (max-width: 720px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature {
  padding: 1.5rem 1.4rem;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16, 24, 32, 0.9), rgba(5, 7, 10, 0.6));
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
    transform 0.35s var(--ease);
}

.feature:hover {
  border-color: rgba(32, 152, 224, 0.55);
  box-shadow: 0 0 0 1px rgba(32, 152, 224, 0.15), 0 18px 40px rgba(0, 0, 0, 0.35);
  transform: translateY(-4px);
}

.feature p {
  margin: 0;
  font-size: 0.98rem;
}

.feature .icon-line {
  width: 2.25rem;
  height: 3px;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--blue), transparent);
}

/* Split layout */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.split.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.split.reverse .split-copy {
  order: 2;
}

@media (max-width: 860px) {
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .split.reverse .split-copy {
    order: 0;
  }
}

.split-media {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  border: 1px solid var(--line);
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  filter: brightness(0.78) contrast(1.05);
  transition: transform 0.8s var(--ease);
}

.split:hover .split-media img {
  transform: scale(1.04);
}

.split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 7, 10, 0.55));
  pointer-events: none;
}

/* Proof strip — qualitative, no fake metrics */
.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.proof > div {
  background: var(--bg);
  padding: 1.75rem 1.35rem;
  text-align: center;
}

.proof strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 0.4rem;
}

.proof span {
  font-size: 0.92rem;
}

@media (max-width: 700px) {
  .proof {
    grid-template-columns: 1fr;
  }
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  padding: clamp(3.5rem, 10vh, 5.5rem) 0 3rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 85% 20%, rgba(32, 152, 224, 0.18), transparent 60%),
    linear-gradient(180deg, var(--bg-elevated), var(--bg));
  z-index: -1;
}

.page-hero h1 {
  max-width: 16ch;
}

/* Contact */
.contact-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-panel {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  padding: 2rem 1.75rem;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.contact-card a.email {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--silver);
  border-bottom: 2px solid var(--blue);
  padding-bottom: 0.15rem;
}

.contact-card a.email:hover {
  color: var(--blue);
}

.cta-band {
  position: relative;
  padding: clamp(3rem, 7vw, 4.5rem) 0;
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.cta-band .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.35) saturate(0.85);
  z-index: -2;
  transform: scale(1.05);
}

.cta-band .veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 7, 10, 0.88), rgba(5, 7, 10, 0.55));
  z-index: -1;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-grid,
  .hero-slide.is-active {
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .feature:hover,
  .btn-primary:hover,
  .nav-cta:hover,
  .split:hover .split-media img {
    transform: none;
  }
}

/* Ambient scan line on dark sections */
@media (prefers-reduced-motion: no-preference) {
  .section-dark::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 120px;
    top: -120px;
    background: linear-gradient(
      180deg,
      transparent,
      rgba(32, 152, 224, 0.06),
      transparent
    );
    animation: scan 9s linear infinite;
    pointer-events: none;
  }
}

@keyframes scan {
  from {
    top: -120px;
  }
  to {
    top: 110%;
  }
}