@import url("https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Space+Grotesk:wght@400;500;700&display=swap");

@font-face {
  font-family: "BankGothicLocal";
  src:
    local("Bank Gothic"),
    local("BankGothic Md BT"),
    local("BankGothic Lt BT"),
    local("Bank Gothic Medium BT"),
    local("Square 721 BT");
  font-display: swap;
}

:root {
  --background: #ffffff;
  --surface: #f7f9fc;
  --surface-strong: #edf4ff;
  --text: #4a4a4a;
  --muted: #6d7685;
  --accent: #007bff;
  --highlight: #32cd32;
  --highlight-soft: #98f498;
  --highlight-deep: #1f9d48;
  --highlight-ring: rgba(50, 205, 50, 0.16);
  --line: rgba(74, 74, 74, 0.12);
  --line-strong: rgba(74, 74, 74, 0.2);
  --shadow-sm: 0 16px 32px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 28px 80px rgba(15, 23, 42, 0.12);
  --radius-sm: 18px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --radius-xl: 40px;
  --container: min(1200px, calc(100% - 48px));
  --header-height: 88px;
  --font-stack: "BankGothicLocal", "Bank Gothic", "BankGothic Md BT", "Rajdhani", "Space Grotesk", "Inter", "SF Pro Display", "Segoe UI", sans-serif;
  --font-ui: "BankGothicLocal", "Bank Gothic", "BankGothic Md BT", "Rajdhani", "Space Grotesk", "Inter", "SF Pro Display", "Segoe UI", sans-serif;
  --hero-dark: #0d2038;
  --hero-dark-soft: #18304f;
  --theme-accent: rgba(0, 123, 255, 0.18);
  --theme-secondary: rgba(50, 205, 50, 0.14);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-base: 280ms;
  --duration-slow: 760ms;
}

@keyframes dot-breathe {
  0%,
  100% {
    opacity: 0.94;
    transform: scale(0.92);
    box-shadow:
      0 0 0 0 rgba(50, 205, 50, 0.26),
      0 0 0 8px rgba(50, 205, 50, 0.08),
      0 12px 24px rgba(50, 205, 50, 0.08);
  }

  55% {
    opacity: 1;
    transform: scale(1.08);
    box-shadow:
      0 0 0 4px rgba(50, 205, 50, 0.18),
      0 0 0 14px rgba(50, 205, 50, 0.08),
      0 14px 28px rgba(50, 205, 50, 0.18);
  }
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  color: var(--text);
  background: var(--background);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: rgba(0, 123, 255, 0.18);
}

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

img,
svg {
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

main {
  display: block;
  overflow-x: hidden;
  overflow-x: clip;
}

[id] {
  scroll-margin-top: 112px;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, var(--highlight-soft) 0%, #5fe55f 38%, var(--highlight) 68%, var(--highlight-deep) 100%);
  box-shadow:
    0 0 0 6px var(--highlight-ring),
    0 10px 18px rgba(50, 205, 50, 0.14);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-stack);
  color: #19212d;
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.3rem, 8vw, 6.1rem);
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

h3 {
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
}

p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
  color: var(--muted);
}

ul {
  margin: 0;
  padding: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-ui);
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
  box-shadow: 0 16px 30px rgba(0, 123, 255, 0.22);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 36px rgba(0, 123, 255, 0.28);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  box-shadow: none;
  backdrop-filter: blur(12px);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--accent);
}

.link-arrow::after {
  content: ">";
  transition: transform 180ms ease;
}

.link-arrow:hover::after,
.link-arrow:focus-visible::after {
  transform: translateX(3px);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  padding: 18px 0;
  transition:
    background 320ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 320ms cubic-bezier(0.22, 1, 0.36, 1),
    backdrop-filter 320ms cubic-bezier(0.22, 1, 0.36, 1),
    padding 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

body.is-scrolled .site-header,
body.menu-open .site-header {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: none;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  border-bottom: 1px solid rgba(74, 74, 74, 0.08);
}

.nav-shell {
  position: relative;
  z-index: 1;
  width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  transition:
    transform 380ms cubic-bezier(0.22, 1, 0.36, 1),
    background 320ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 320ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 320ms cubic-bezier(0.22, 1, 0.36, 1),
    border-radius 320ms cubic-bezier(0.22, 1, 0.36, 1),
    padding 320ms cubic-bezier(0.22, 1, 0.36, 1);
  animation: nav-dock-in 900ms var(--ease-soft) both;
  will-change: transform, opacity;
  backface-visibility: hidden;
}

/* subtle lift when hovering the docked nav (desktop) */
body:not(.is-scrolled):not(.menu-open) .nav-shell:hover {
  transform: translateY(-4px) scale(1.005);
  box-shadow: 0 22px 48px rgba(6, 10, 17, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  flex: 1 1 auto;
  gap: 16px;
  font-weight: 800;
  font-family: var(--font-ui);
  font-size: clamp(1.02rem, 1.8vw, 1.28rem);
  letter-spacing: 0.02em;
  color: #ffffff;
  text-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}

.brand-logo {
  width: auto;
  height: clamp(40px, 5vw, 62px);
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.site-footer .brand-logo,
body.theme-dark .brand-logo,
body:not(.is-scrolled):not(.menu-open) .brand-logo {
  filter: brightness(0) invert(1);
}

body.is-scrolled:not(.theme-dark) .brand-logo,
body.menu-open:not(.theme-dark) .brand-logo {
  filter: none;
}

.site-nav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  transition:
    opacity var(--duration-base) var(--ease-smooth),
    transform var(--duration-base) var(--ease-smooth);
  backface-visibility: hidden;
}

.nav-group {
  display: flex;
  align-items: center;
}

.nav-submenu {
  display: none;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(9, 18, 28, 0.24);
  color: #ffffff;
  cursor: pointer;
  backdrop-filter: blur(16px);
  transition:
    transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
    background 280ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 280ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 280ms cubic-bezier(0.22, 1, 0.36, 1),
    color 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.1);
}

.theme-toggle-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffffff 18%, #8ec5ff 100%);
  box-shadow: inset -6px -6px 0 0 rgba(0, 123, 255, 0.26);
}

.theme-toggle-label {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link {
  position: relative;
  overflow: hidden;
  padding: 11px 16px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 1.02rem;
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
  transition:
    color 280ms cubic-bezier(0.22, 1, 0.36, 1),
    background 280ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 280ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.nav-sublink {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition:
    color 220ms cubic-bezier(0.22, 1, 0.36, 1),
    background 220ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

body:not(.is-scrolled):not(.menu-open) .nav-shell {
  padding: 12px 18px;
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(9, 18, 28, 0.28);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

body.is-scrolled .nav-shell,
body.menu-open .nav-shell {
  padding: 0;
  border-color: transparent;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

body.is-scrolled .site-header .brand,
body.menu-open .site-header .brand,
body.is-scrolled .site-header .nav-link,
body.menu-open .site-header .nav-link {
  color: #1a2330;
  text-shadow: none;
}

body.is-scrolled .site-header .nav-sublink,
body.menu-open .site-header .nav-sublink {
  color: #516071;
}

body.is-scrolled .theme-toggle,
body.menu-open .theme-toggle {
  background: rgba(0, 123, 255, 0.08);
  border-color: rgba(0, 123, 255, 0.12);
  color: #1a2330;
  box-shadow: none;
}

body.is-scrolled .theme-toggle-icon,
body.menu-open .theme-toggle-icon {
  background: linear-gradient(135deg, #007bff 0%, #7dc6ff 100%);
  box-shadow: inset -6px -6px 0 0 rgba(255, 255, 255, 0.36);
}

body.is-scrolled .site-header .nav-link:hover,
body.is-scrolled .site-header .nav-link:focus-visible,
body.menu-open .site-header .nav-link:hover,
body.menu-open .site-header .nav-link:focus-visible {
  color: var(--accent);
  background: rgba(0, 123, 255, 0.08);
}

body.is-scrolled .site-header .nav-sublink:hover,
body.is-scrolled .site-header .nav-sublink:focus-visible,
body.menu-open .site-header .nav-sublink:hover,
body.menu-open .site-header .nav-sublink:focus-visible {
  color: var(--accent);
}

body.is-scrolled .site-header .nav-link.active,
body.menu-open .site-header .nav-link.active {
  color: var(--accent);
  background: rgba(0, 123, 255, 0.08);
}

.nav-toggle {
  position: relative;
  display: none;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  padding: 0;
  overflow: visible;
  cursor: pointer;
  /* glassy base that blends with the header */
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(6, 10, 17, 0.36);
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, border-color 220ms ease;
}

/* decorative halo that fades in on hover */
.nav-toggle::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  border-radius: 20px;
  pointer-events: none;
  background: radial-gradient(circle at 30% 30%, rgba(0,123,255,0.12), transparent 22%), radial-gradient(circle at 70% 70%, rgba(50,205,50,0.06), transparent 28%);
  opacity: 0;
  transition: opacity 260ms ease, transform 260ms ease;
}

.nav-toggle:hover::before {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.02);
}

/* Keep the hover halo on the button itself and animate the three real line
   elements independently so the open/close state stays predictable. */
.nav-toggle-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 3.25px;
  border-radius: 999px;
  background: #ffffff;
  transform-origin: center;
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1),
              opacity 140ms ease, background 160ms ease;
}

.nav-toggle-line:nth-child(1) { transform: translate(-50%, calc(-50% - 8px)); }
.nav-toggle-line:nth-child(2) { transform: translate(-50%, -50%); }
.nav-toggle-line:nth-child(3) { transform: translate(-50%, calc(-50% + 8px)); }

/* menu open morph: hide middle bar, rotate others into an X */
body.menu-open .nav-toggle {
  transform: scale(0.98);
  box-shadow: 0 10px 30px rgba(6, 10, 17, 0.22);
}

body.menu-open .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

body.menu-open .nav-toggle-line:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

body.menu-open .nav-toggle-line:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* default header (dark translucent) - make bars white for contrast */
body:not(.is-scrolled):not(.menu-open) .nav-toggle {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(9, 18, 28, 0.28);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
}

body:not(.is-scrolled):not(.menu-open) .nav-toggle-line {
  background: #ffffff;
}

/* scrolled / light header - switch to dark bars for contrast */
body.is-scrolled .nav-toggle,
body.menu-open .nav-toggle {
  border-color: rgba(74, 74, 74, 0.06);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

body.is-scrolled .nav-toggle-line,
body.menu-open .nav-toggle-line {
  background: #1a2330;
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body.menu-open .nav-overlay {
  display: block;
  pointer-events: auto;
  background: rgba(12, 18, 28, 0.24);
}

.hero,
.page-hero,
.cinematic-panel {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero::before,
.page-hero::before,
.cinematic-panel::before,
.map-visual::before,
.card-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 18%, var(--theme-accent), transparent 28%),
    radial-gradient(circle at 85% 22%, var(--theme-secondary), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.08), transparent 40%);
  z-index: -2;
}

.hero::after,
.page-hero::after,
.cinematic-panel::after,
.map-visual::after,
.card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.4;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.48), transparent 92%);
  z-index: -1;
}

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 72px;
  background: url("assets/images/hydrogen-refueling-station-2.png") center 42% / cover no-repeat;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(900px, 100%);
  max-width: 2200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 0 20px;
  text-align: center;
}

.hero-line {
  display: block;
}

.hero h1 {
  max-width: 16.5ch;
  margin: 0 auto;
  font-size: clamp(4rem, 8vw, 7rem);
  color: #ffffff;
  text-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
  text-wrap: balance;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.hero-indicators {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.hero-indicators span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(74, 74, 74, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-sm);
  color: #233040;
  font-size: 0.95rem;
}

.hero-indicators i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, var(--highlight-soft) 0%, #5fe55f 38%, var(--highlight) 68%, var(--highlight-deep) 100%);
  box-shadow:
    0 0 0 6px var(--highlight-ring),
    0 10px 18px rgba(50, 205, 50, 0.14);
}

.hero::before,
.hero::after,
.page-hero::before,
.page-hero::after,
.cinematic-panel::before,
.cinematic-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero::before,
.page-hero::before,
.cinematic-panel::before {
  background: linear-gradient(180deg, rgba(6, 10, 17, 0.18) 0%, rgba(6, 10, 17, 0.3) 100%);
}

.hero::after,
.page-hero::after,
.cinematic-panel::after {
  background: linear-gradient(180deg, rgba(6, 10, 17, 0.34) 0%, rgba(6, 10, 17, 0.42) 48%, rgba(6, 10, 17, 0.58) 100%);
}

@keyframes hero-pan {
  0% { transform: translateX(0) scale(1.05); }
  50% { transform: translateX(-6%) scale(1.08); }
  100% { transform: translateX(0) scale(1.05); }
}

@media (max-width: 820px) {
  .hero-content {
    padding: 0 20px;
  }
}

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

  .nav-shell,
  .site-header,
  .site-nav,
  .nav-link,
  .nav-toggle-line,
  .theme-toggle,
  .system-card-button,
  [data-reveal] {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}

.content-band {
  padding: clamp(84px, 10vw, 120px) 0;
}

.muted-band,
.metrics-band,
.architecture-band {
  background: linear-gradient(180deg, #fbfdff 0%, #f4f8ff 100%);
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin-bottom: 40px;
}

.section-heading h2 {
  max-width: 18ch;
}

.section-heading h2.two-line-heading {
  max-width: none;
  font-size: clamp(1.7rem, 2.7vw, 2.45rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-heading h2.two-line-heading .heading-line {
  display: block;
  white-space: nowrap;
}

.section-heading p {
  max-width: 60ch;
}

.showcase-section .section-heading,
.cta-shell,
.metrics-grid {
  text-align: center;
}

.showcase-section .section-heading {
  justify-items: center;
  margin-inline: auto;
}

.showcase-section .section-heading h2 {
  max-width: 32ch;
}

.showcase-list {
  display: grid;
  gap: 24px;
}

.cinematic-panel {
  min-height: clamp(440px, 68vh, 760px);
  padding: clamp(32px, 5vw, 56px);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: var(--shadow-lg);
}

/* Dark mode (default = white text) */
.cinematic-content {
  position: relative;
  z-index: 1;
  max-width: 430px;
  display: grid;
  gap: 16px;
  color: #ffffff;
}

/* Light mode override */
body:not(.theme-dark) .cinematic-content {
  color: #1a2330;
}

body:not(.theme-dark) .cinematic-content h3 {
  color: #1a2330;
  text-shadow: none;
}

body:not(.theme-dark) .cinematic-content p {
  color: #4a4a4a;
  text-shadow: none;
}

body:not(.theme-dark) .cinematic-content .eyebrow {
  background: rgba(0, 0, 0, 0.06);
  color: #1a2330;
  backdrop-filter: none;
  box-shadow: none;
}
.cinematic-content h3,
.page-hero-content h1 {
  color: #ffffff;
  text-shadow: 0 12px 28px rgba(0, 0, 0, 0.42);
}

.cinematic-content p,
.page-hero-content p {
  color: rgba(255, 255, 255, 0.78);
  text-shadow: 0 6px 18px rgba(0, 0, 0, 0.38);
}

.cinematic-content .eyebrow,
.page-hero .eyebrow {
  width: fit-content;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(9, 18, 28, 0.42);
  color: #ffffff;
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
}

.theme-terra {
  --theme-accent: rgba(50, 205, 50, 0.26);
  --theme-secondary: rgba(0, 123, 255, 0.16);
}

.theme-hydra {
  --theme-accent: rgba(0, 123, 255, 0.24);
  --theme-secondary: rgba(50, 205, 50, 0.1);
}

.theme-products {
  --theme-accent: rgba(78, 164, 255, 0.22);
  --theme-secondary: rgba(50, 205, 50, 0.12);
}

.theme-services {
  --theme-accent: rgba(50, 205, 50, 0.22);
  --theme-secondary: rgba(78, 164, 255, 0.14);
}

.theme-aero {
  --theme-accent: rgba(0, 123, 255, 0.18);
  --theme-secondary: rgba(255, 255, 255, 0.12);
}

.theme-applications {
  --theme-accent: rgba(78, 164, 255, 0.22);
  --theme-secondary: rgba(255, 255, 255, 0.12);
}

.theme-storage {
  --theme-accent: rgba(50, 205, 50, 0.18);
  --theme-secondary: rgba(0, 123, 255, 0.22);
}

.theme-contact {
  --theme-accent: rgba(78, 164, 255, 0.2);
  --theme-secondary: rgba(50, 205, 50, 0.14);
}

.highlights-grid,
.metrics-grid,
.card-grid,
.case-study-grid,
.summary-grid,
.feature-grid,
.applications-grid,
.system-grid,
.module-grid,
.spec-grid,
.overview-cards,
.footer-grid,
.architecture-grid {
  display: grid;
  gap: 24px;
}

.highlights-grid,
.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid,
.case-study-grid,
.feature-grid,
.overview-cards,
.footer-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.domain-grid,
.system-grid,
.module-grid,
.summary-grid,
.spec-grid,
.architecture-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.panel-card,
.application-card,
.metric-card,
.case-study,
.system-card,
.module-card,
.spec-item,
.summary-card,
.contact-form-shell,
.contact-info-stack article,
.cta-shell {
  background: #ffffff;
  border: 1px solid rgba(74, 74, 74, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.info-card,
.panel-card,
.application-card,
.system-card,
.module-card,
.summary-card,
.case-study,
.contact-form-shell,
.contact-info-stack article {
  padding: 28px;
}

.info-card h3,
.panel-card h3,
.application-card h3,
.system-card h3,
.module-card h3,
.case-study h3,
.summary-card h3 {
  margin-bottom: 10px;
}

.icon-badge {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  margin-bottom: 22px;
  background: rgba(0, 123, 255, 0.08);
}

.icon-badge svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metric-card {
  padding: 32px 20px;
}

.metric-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--accent);
  letter-spacing: -0.04em;
}

.metric-card span {
  color: #2a3645;
  font-weight: 600;
}

.page-hero {
  min-height: 72svh;
  display: flex;
  align-items: flex-end;
  padding: 148px 0 80px;
  background: linear-gradient(135deg, rgba(13, 32, 56, 0.98), rgba(24, 48, 79, 0.84));
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  max-width: 980px;
}

.page-hero-content.title-only {
  gap: 0;
}

.page-hero-content h1 {
  max-width: 30ch;
  font-size: clamp(3.2rem, 6.5vw, 6.1rem);
}

.breadcrumbs {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(9, 18, 28, 0.36);
  backdrop-filter: blur(10px);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.breadcrumbs a {
  color: #ffffff;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: rgba(255, 255, 255, 0.76);
}

.split-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 32px;
  align-items: start;
}

.stack-grid,
.contact-info-stack {
  display: grid;
  gap: 24px;
}

.step-chip,
.case-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(0, 123, 255, 0.08);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-visual {
  position: relative;
  min-height: 220px;
  border-radius: 26px;
  margin-bottom: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(13, 32, 56, 0.96), rgba(24, 48, 79, 0.82));
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.application-card-visual {
  background: linear-gradient(135deg, rgba(13, 32, 56, 0.96), rgba(24, 48, 79, 0.82));
}

.application-card-visual img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  object-position: center;
}

.module-visual {
  min-height: 220px;
  margin-bottom: 24px;
  border-radius: 26px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.card-visual::before,
.card-visual::after {
  display: none;
}

.system-overview-visual {
  min-height: clamp(240px, 36vw, 340px);
  margin-bottom: 0;
}

.page-hero.theme-terra,
.cinematic-panel.theme-terra,
.card-visual.theme-terra {
  background-image: url("assets/images/terra-banner.png");
  background-position: center 44%;
}

.page-hero.theme-products {
  background-image: url("assets/images/product banner.jpeg");
  background-position: center center;
  background-size: 100% auto;
  background-color: #08111b;
}

.page-hero.theme-services {
  background-image: url("assets/images/servicesbanner.jpeg");
  background-position: center 46%;
}

.page-hero.theme-hydra {
  background-image: url("assets/images/hydra banner.jpeg");
  background-position: center 50%;
}

.cinematic-panel.theme-hydra {
  background-image: url("assets/images/hydra banner.jpeg");
  background-position: center 52%;
}

.card-visual.theme-hydra,
.module-visual.theme-hydra {
  background-image: url("assets/images/hydra banner.jpeg");
  background-position: center 48%;
}

.page-hero.theme-aero,
.cinematic-panel.theme-aero,
.card-visual.theme-aero {
  background-image: url("assets/images/aer_banner.jpeg");
  background-position: center 50%;
}

.page-hero.theme-applications {
  background-image: url("assets/images/application banner.jpeg");
  background-position: center 46%;
}

.page-hero.theme-storage {
  background-image: url("assets/images/silo banner.jpeg");
  background-position: center 52%;
}

.page-hero.theme-contact {
  background-image: url("assets/images/contact banner.jpeg");
  background-position: center 50%;
}

.cinematic-panel.theme-storage,
.card-visual.theme-storage {
  background-image: url("assets/images/silo banner.jpeg");
  background-position: center 52%;
}

.application-card .eyebrow,
.system-card .eyebrow,
.summary-card .eyebrow {
  margin-bottom: 16px;
}

.application-card .link-arrow,
.system-card .link-arrow {
  margin-top: 20px;
}

.domain-card-summary {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.system-card {
  display: grid;
  align-content: start;
}

.system-card-slider {
  position: relative;
  margin-bottom: 24px;
  padding: 10px;
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(74, 74, 74, 0.08);
  background:
    radial-gradient(circle at top left, rgba(0, 123, 255, 0.14), transparent 42%),
    linear-gradient(180deg, rgba(245, 249, 255, 0.94) 0%, rgba(255, 255, 255, 0.7) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  contain: paint;
}

.system-card-track {
  display: flex;
  transform: translate3d(0, 0, 0);
  transition: transform 920ms cubic-bezier(0.2, 0.78, 0.18, 1);
  will-change: transform;
  backface-visibility: hidden;
}

.system-card-slide {
  position: relative;
  flex: 0 0 100%;
  min-height: 216px;
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
  background: #0f1723;
  opacity: 0.82;
  transform: scale(0.985);
  transition:
    opacity 620ms var(--ease-soft),
    transform 920ms cubic-bezier(0.2, 0.78, 0.18, 1);
}

.system-card-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.system-card-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 18, 28, 0.08) 0%, rgba(12, 18, 28, 0.78) 100%);
  transition: opacity 620ms var(--ease-soft);
}

.system-card-slide.is-active::after {
  opacity: 0.88;
}

.system-card-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.015);
  filter: saturate(0.92) brightness(0.92);
  transition:
    transform 1200ms var(--ease-smooth),
    filter 620ms var(--ease-soft);
  will-change: transform;
  backface-visibility: hidden;
}

.system-card-slide.is-active img {
  filter: saturate(1) brightness(1);
}

.system-card-slider:hover .system-card-slide.is-active img,
.system-card-slider:focus-within .system-card-slide.is-active img {
  transform: scale(1.04);
}

.system-card-product-id,
.system-card-slide figcaption {
  position: absolute;
  z-index: 1;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(7, 12, 20, 0.62);
  color: #ffffff;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.system-card-product-id {
  top: 16px;
  left: 16px;
  z-index: 2;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.system-card-slide figcaption {
  left: 18px;
  bottom: 16px;
}

.system-card-product-id,
.system-card-slide figcaption {
  transition:
    transform 620ms var(--ease-soft),
    opacity 420ms var(--ease-soft);
}

.system-card-slide:not(.is-active) .system-card-product-id,
.system-card-slide:not(.is-active) figcaption {
  opacity: 0.72;
  transform: translateY(8px);
}

.system-card-slide.is-active .system-card-product-id,
.system-card-slide.is-active figcaption {
  opacity: 1;
  transform: translateY(0);
}

.system-card-controls {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  display: inline-flex;
  gap: 10px;
}

.system-card-button {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(7, 12, 20, 0.68);
  color: #ffffff;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition:
    transform 180ms var(--ease-smooth),
    background var(--duration-base) var(--ease-smooth),
    border-color var(--duration-base) var(--ease-smooth),
    box-shadow var(--duration-base) var(--ease-smooth);
}

.system-card-button:hover,
.system-card-button:focus-visible {
  transform: translateY(-1px);
  background: rgba(0, 123, 255, 0.78);
  border-color: rgba(125, 198, 255, 0.7);
  box-shadow: 0 10px 22px rgba(0, 123, 255, 0.22);
}

.system-card-button span {
  font-size: 1rem;
  line-height: 1;
}

.cta-band {
  padding: clamp(88px, 10vw, 120px) 0;
}

.cta-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 56px);
  background:
    radial-gradient(circle at top, rgba(0, 123, 255, 0.12), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
  display: grid;
  gap: 18px;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-intro {
  max-width: 58ch;
}

.contact-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 6px 0 22px;
}

.contact-highlight {
  padding: 18px;
  border: 1px solid rgba(74, 74, 74, 0.08);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(0, 123, 255, 0.08), rgba(50, 205, 50, 0.06)),
    #ffffff;
}

.contact-highlight strong {
  display: block;
  margin-bottom: 8px;
  color: #1d2a38;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-highlight span {
  color: #556274;
  line-height: 1.55;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  font-weight: 600;
  color: #203040;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(74, 74, 74, 0.14);
  border-radius: 18px;
  background: #ffffff;
  padding: 14px 16px;
  color: #1c2734;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.08);
}

.form-response {
  min-height: 24px;
  color: var(--accent);
  font-weight: 600;
}

.form-response.is-error {
  color: #d93025;
}

.form-response a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.16em;
}

.contact-form .button[disabled] {
  opacity: 0.78;
  cursor: wait;
  transform: none;
  box-shadow: 0 12px 26px rgba(0, 123, 255, 0.18);
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 20px;
  color: #223245;
}

.map-frame {
  margin-top: 24px;
  min-height: 280px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(74, 74, 74, 0.08);
  box-shadow: var(--shadow-sm);
}

.map-frame iframe {
  width: 100%;
  min-height: 280px;
  border: 0;
  display: block;
}

.map-actions {
  margin-top: 18px;
}

.map-visual {
  position: relative;
  min-height: 220px;
  margin-top: 24px;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(13, 32, 56, 0.94), rgba(24, 48, 79, 0.82));
}

.map-visual span {
  position: absolute;
  display: block;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.map-visual span:nth-child(1) {
  width: 70%;
  height: 2px;
  top: 35%;
  left: 15%;
  transform: rotate(-12deg);
}

.map-visual span:nth-child(2) {
  width: 2px;
  height: 62%;
  top: 18%;
  left: 58%;
}

.map-visual span:nth-child(3) {
  width: 18px;
  height: 18px;
  left: 54%;
  top: 46%;
  background: radial-gradient(circle at 32% 32%, var(--highlight-soft) 0%, #5fe55f 38%, var(--highlight) 68%, var(--highlight-deep) 100%);
  box-shadow:
    0 0 0 10px rgba(50, 205, 50, 0.14),
    0 16px 28px rgba(50, 205, 50, 0.16);
}

.domain-shell,
.system-shell {
  display: block;
}

.domain-intro,
.system-overview-shell {
  display: grid;
  gap: 24px;
}

.summary-card strong {
  display: block;
  margin-top: 12px;
  color: #1d2a38;
  font-size: 1.1rem;
}

.module-card ul,
.feature-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.module-card li,
.feature-list li {
  color: #334255;
}

.eyebrow::before,
.hero-indicators i,
.map-visual span:nth-child(3) {
  animation: dot-breathe 3.1s var(--ease-soft) infinite;
  transform-origin: center;
  will-change: transform, box-shadow, opacity;
}

.spec-item {
  padding: 22px;
}

.spec-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.94rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.spec-item span {
  color: #213040;
  font-weight: 600;
}

.site-footer {
  background: #4a4a4a;
  color: #ffffff;
  padding: 38px 0;
}

.site-footer .brand,
.site-footer h4,
.site-footer p {
  color: #ffffff;
}

.site-footer .brand {
  text-shadow: none;
}

.site-footer .footer-logo {
  height: clamp(54px, 6vw, 84px);
  filter: none;
}

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

.footer-brand {
  display: grid;
  gap: 12px;
}

.footer-brand h3,
.footer-links h4,
.footer-meta h4 {
  color: #ffffff;
}

.footer-links,
.footer-meta {
  display: grid;
  gap: 14px;
}

.footer-links a,
.footer-meta a,
.footer-meta span {
  color: rgba(255, 255, 255, 0.78);
  transition: color 180ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible,
.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--accent);
}

.footer-copy {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.94rem;
}

.cookie-banner {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 1100;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 24px;
  align-items: center;
  width: min(1080px, calc(100% - 48px));
  padding: 20px 22px;
  border: 1px solid rgba(74, 74, 74, 0.12);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 253, 0.94)),
    linear-gradient(135deg, rgba(0, 123, 255, 0.04), rgba(50, 205, 50, 0.06));
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
  backdrop-filter: blur(18px);
  transform: translate3d(-50%, 0, 0);
  transition:
    opacity var(--duration-base) var(--ease-soft),
    transform var(--duration-base) var(--ease-soft);
}

.cookie-banner.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-50%, 24px, 0) scale(0.98);
}

.cookie-banner-copy {
  display: grid;
  gap: 6px;
}

.cookie-banner-copy strong {
  color: #19212d;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.cookie-banner-copy p {
  color: #556274;
  font-size: 0.96rem;
  line-height: 1.6;
}

.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.cookie-banner-button,
.cookie-settings-toggle {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition:
    transform var(--duration-base) var(--ease-soft),
    box-shadow var(--duration-base) var(--ease-soft),
    background var(--duration-base) var(--ease-soft),
    border-color var(--duration-base) var(--ease-soft),
    color var(--duration-base) var(--ease-soft);
}

.cookie-banner-button {
  min-height: 50px;
  padding: 0 22px;
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 16px 30px rgba(0, 123, 255, 0.2);
}

.cookie-banner-button.is-secondary {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(74, 74, 74, 0.12);
  color: #1d2a38;
  box-shadow: none;
}

.cookie-banner-button:hover,
.cookie-banner-button:focus-visible,
.cookie-settings-toggle:hover,
.cookie-settings-toggle:focus-visible {
  transform: translateY(-2px);
}

.cookie-banner-button:focus-visible,
.cookie-settings-toggle:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px rgba(0, 123, 255, 0.18),
    0 18px 34px rgba(15, 23, 42, 0.18);
}

.cookie-settings-toggle {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 1090;
  min-height: 48px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(74, 74, 74, 0.12);
  color: #1d2a38;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, 16px, 0);
}

.cookie-settings-toggle.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate3d(0, 0, 0);
}

[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 22px, 0) scale(0.985);
  filter: blur(8px);
  transition:
    opacity var(--duration-slow) var(--ease-smooth),
    transform var(--duration-slow) var(--ease-smooth),
    filter 620ms var(--ease-smooth);
  will-change: opacity, transform, filter;
  backface-visibility: hidden;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

body.theme-dark {
  --background: #050505;
  --surface: #0d0d0e;
  --surface-strong: #151517;
  --text: #e5e5e7;
  --muted: #aaaaaf;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #4ea4ff;
  --highlight: #57d972;
  --shadow-sm: 0 18px 38px rgba(0, 0, 0, 0.24);
  --shadow-lg: 0 36px 90px rgba(0, 0, 0, 0.34);
}

body.theme-dark,
body.theme-dark p,
body.theme-dark .contact-list,
body.theme-dark .spec-item span,
body.theme-dark .summary-card strong,
body.theme-dark .metric-card span,
body.theme-dark .module-card li,
body.theme-dark .feature-list li,
body.theme-dark .footer-links a,
body.theme-dark .footer-meta a,
body.theme-dark .footer-meta span {
  color: var(--text);
}

body.theme-dark h1,
body.theme-dark h2,
body.theme-dark h3,
body.theme-dark h4 {
  color: #f3f7fb;
}

body.theme-dark .content-band,
body.theme-dark .muted-band,
body.theme-dark .metrics-band,
body.theme-dark .architecture-band {
  background: linear-gradient(180deg, #050505 0%, #0b0b0c 100%);
}

body.theme-dark .info-card,
body.theme-dark .panel-card,
body.theme-dark .application-card,
body.theme-dark .metric-card,
body.theme-dark .case-study,
body.theme-dark .system-card,
body.theme-dark .module-card,
body.theme-dark .spec-item,
body.theme-dark .summary-card,
body.theme-dark .contact-form-shell,
body.theme-dark .contact-info-stack article,
body.theme-dark .cta-shell {
  background: #101012;
  border-color: rgba(255, 255, 255, 0.08);
}

body.theme-dark .cta-shell {
  background: linear-gradient(180deg, rgba(17, 17, 18, 0.96) 0%, rgba(8, 8, 9, 0.98) 100%);
}

body.theme-dark .site-header {
  background: transparent;
  border-bottom: 0;
  box-shadow: none;
}

body.theme-dark.is-scrolled .site-header,
body.theme-dark.menu-open .site-header {
  background: rgba(4, 4, 5, 0.98);
  backdrop-filter: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

body.theme-dark:not(.is-scrolled):not(.menu-open) .nav-shell {
  background: rgba(12, 12, 13, 0.62);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

body.theme-dark.is-scrolled .nav-shell,
body.theme-dark.menu-open .nav-shell {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

body.theme-dark .site-header .brand,
body.theme-dark .site-header .nav-link,
body.theme-dark .theme-toggle {
  color: #f3f7fb;
  text-shadow: none;
}

body.theme-dark .site-header .nav-sublink {
  color: rgba(243, 247, 251, 0.74);
}

body.theme-dark .nav-link:hover,
body.theme-dark .nav-link:focus-visible,
body.theme-dark .nav-link.active,
body.theme-dark .theme-toggle:hover,
body.theme-dark .theme-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}

body.theme-dark .nav-sublink:hover,
body.theme-dark .nav-sublink:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

body.theme-dark .system-card-slider {
  border-color: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top left, rgba(78, 164, 255, 0.18), transparent 42%),
    linear-gradient(180deg, rgba(18, 18, 20, 0.96) 0%, rgba(12, 12, 13, 0.82) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.theme-dark .system-card-slide figcaption {
  background: rgba(4, 4, 5, 0.68);
  color: #f3f7fb;
}

body.theme-dark .system-card-product-id,
body.theme-dark .system-card-button {
  background: rgba(4, 4, 5, 0.74);
  color: #f3f7fb;
}

body.theme-dark .system-card-button {
  border-color: rgba(255, 255, 255, 0.12);
}

body.theme-dark .theme-toggle {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
}

body.theme-dark .theme-toggle-icon {
  background: linear-gradient(135deg, #f5f5f5 0%, #a8a8ad 100%);
  box-shadow: inset -6px -6px 0 0 rgba(18, 18, 20, 0.45);
}

body.theme-dark .nav-toggle {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.46);
}

body.theme-dark .nav-toggle-line {
  background: #f3f7fb;
}

body.theme-dark .site-nav {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

body.theme-dark .contact-form span {
  color: #f3f7fb;
}

body.theme-dark .contact-form input,
body.theme-dark .contact-form textarea {
  background: #09090a;
  color: #f3f7fb;
  border-color: rgba(255, 255, 255, 0.1);
}

body.theme-dark .contact-highlight {
  border-color: rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(135deg, rgba(78, 164, 255, 0.14), rgba(50, 205, 50, 0.08)),
    #121214;
}

body.theme-dark .contact-highlight strong,
body.theme-dark .contact-highlight span {
  color: #f3f7fb;
}

body.theme-dark .form-response.is-error {
  color: #ff9b97;
}

body.theme-dark .map-frame {
  border-color: rgba(255, 255, 255, 0.08);
}

body.theme-dark .site-footer {
  background: #020202;
}

body.theme-dark .cookie-banner {
  border-color: rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at top left, rgba(78, 164, 255, 0.16), transparent 42%),
    linear-gradient(180deg, rgba(10, 10, 12, 0.96) 0%, rgba(8, 9, 11, 0.92) 100%);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.42);
}

body.theme-dark .cookie-banner-copy strong,
body.theme-dark .cookie-banner-copy p {
  color: #f3f7fb;
}

body.theme-dark .cookie-banner-button.is-secondary,
body.theme-dark .cookie-settings-toggle {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: #f3f7fb;
}

@media (prefers-reduced-motion: reduce) {
  .system-card-track {
    transition: none;
  }

  .system-card-track,
  .eyebrow::before,
  .hero-indicators i,
  .map-visual span:nth-child(3) {
    animation: none;
  }
}

@keyframes nav-dock-in {
  from {
    opacity: 0;
    transform: translateY(-22px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1080px) {
  .highlights-grid,
  .metrics-grid,
  .card-grid,
  .case-study-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  :root {
    --container: min(1200px, calc(100% - 32px));
  }

  .nav-shell {
    gap: 14px;
  }

  .brand {
    font-size: 1rem;
  }

  .brand-logo {
    height: 60px;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: fixed;
    top: calc(var(--header-height) + 8px);
    right: 16px;
    left: 16px;
    display: grid;
    gap: 10px;
    padding: 18px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(74, 74, 74, 0.08);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px) scale(0.985);
    transition: opacity 220ms ease, transform 220ms ease;
  }

  body.theme-dark .site-nav {
    background: rgba(10, 10, 11, 0.96);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-lg);
  }

  body.menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .site-nav > .nav-link,
  .site-nav > .nav-group {
    opacity: 0;
    transform: translateY(-10px) scale(0.995);
    transition: transform 340ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 300ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  /* stagger delays for up to 6 links (safely covers nav size) */
  .site-nav > :nth-child(1) { transition-delay: 60ms; }
  .site-nav > :nth-child(2) { transition-delay: 120ms; }
  .site-nav > :nth-child(3) { transition-delay: 180ms; }
  .site-nav > :nth-child(4) { transition-delay: 240ms; }
  .site-nav > :nth-child(5) { transition-delay: 300ms; }
  .site-nav > :nth-child(6) { transition-delay: 360ms; }

  /* when menu opens make links visible and reset delays so they animate in */
  body.menu-open .site-nav > .nav-link,
  body.menu-open .site-nav > .nav-group {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  /* ensure the overall nav panel animates first, then links follow */
  body.menu-open .site-nav {
    transition-delay: 0s;
  }

  .nav-group {
    display: grid;
    gap: 10px;
  }

  .nav-group > .nav-link,
  .nav-sublink {
    width: 100%;
  }

  .nav-submenu {
    display: grid;
    gap: 8px;
    margin-left: 18px;
    padding-left: 16px;
    border-left: 1px solid rgba(74, 74, 74, 0.12);
  }

  .nav-sublink {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.88rem;
  }

  body.theme-dark .nav-submenu {
    border-left-color: rgba(255, 255, 255, 0.1);
  }

  /* if reduced motion is preferred, disable the mobile link animations */
  @media (prefers-reduced-motion: reduce) {
    .site-nav > .nav-link,
    .site-nav > .nav-group,
    body.menu-open .site-nav > .nav-link,
    body.menu-open .site-nav > .nav-group {
      transition: none !important;
      transform: none !important;
      opacity: 1 !important;
    }
  }

  .nav-link {
    padding: 14px 16px;
    border-radius: 18px;
  }

  .contact-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cookie-banner {
    width: calc(100% - 32px);
    bottom: 16px;
    padding: 18px;
  }

  .cookie-settings-toggle {
    left: 16px;
    bottom: 16px;
  }

  .hero {
    min-height: auto;
    padding-top: 136px;
    padding-bottom: 64px;
  }

  .page-hero {
    min-height: auto;
    padding-top: 136px;
  }

}

@media (max-width: 760px) {
  h1 {
    font-size: clamp(3rem, 13.2vw, 4.8rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .section-heading h2.two-line-heading .heading-line {
    white-space: normal;
  }

  .highlights-grid,
  .metrics-grid,
  .card-grid,
  .case-study-grid,
  .summary-grid,
  .spec-grid,
  .system-grid,
  .module-grid,
  .architecture-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cinematic-panel {
    min-height: 420px;
    border-radius: 30px;
  }

  .hero h1 {
    max-width: 11.2ch;
  }

  .contact-highlights {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    grid-template-columns: 1fr;
    gap: 16px;
    border-radius: 24px;
  }

  .cookie-banner-actions {
    justify-content: stretch;
  }

  .cookie-banner-button {
    width: 100%;
  }

  .button,
  .button.secondary {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions a {
    flex: 1 1 100%;
  }

  .hero-indicators {
    width: 100%;
  }

  .theme-toggle-label {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}