:root {
  --bg: #f5f5f7;
  --bg-soft: #ffffff;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-strong: rgba(255, 255, 255, 0.88);
  --border: rgba(15, 23, 42, 0.08);
  --text: #111111;
  --muted: rgba(17, 17, 17, 0.66);
  --muted-strong: rgba(17, 17, 17, 0.8);
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.18);
  --shadow: 0 30px 80px rgba(15, 23, 42, 0.08);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --max-width: 1240px;
}

body[data-theme="dark"] {
  --bg: #050816;
  --bg-soft: #0c1224;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f4f7ff;
  --muted: rgba(236, 242, 255, 0.72);
  --muted-strong: rgba(236, 242, 255, 0.86);
  --accent: #9ac8ff;
  --accent-strong: #5fa8ff;
  --accent-glow: rgba(95, 168, 255, 0.35);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.9), transparent 28%),
    radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.08), transparent 24%),
    linear-gradient(180deg, #fcfcfd 0%, #f5f5f7 30%, #eceef2 100%);
  color: var(--text);
  line-height: 1.5;
}

body[data-theme="dark"] {
  background:
    radial-gradient(circle at top, rgba(109, 160, 255, 0.18), transparent 35%),
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.06), transparent 30%),
    linear-gradient(180deg, #070b18 0%, #090d1c 28%, #050816 100%);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  overflow: clip;
}

.section {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(calc(100% - 24px), calc(var(--max-width) + 40px));
  margin: 16px auto 0;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

body[data-theme="dark"] .site-header {
  background: rgba(8, 12, 24, 0.68);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-weight: 700;
  letter-spacing: -0.03em;
  position: relative;
  z-index: 2;
}

.brand img {
  width: 168px;
  height: 72px;
  margin-top: -14px;
  margin-right: -22px;
  margin-bottom: -14px;
  object-fit: contain;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  color: var(--text);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.06);
  color: var(--text);
}

.login-link {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.38);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

body[data-theme="dark"] .login-link {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.kickstarter-link {
  border-color: rgba(5, 206, 120, 0.18);
  background: linear-gradient(135deg, #06e07f 0%, #05ce78 100%);
  color: #04150d;
  box-shadow: 0 14px 34px rgba(5, 206, 120, 0.22);
}

.kickstarter-link:hover,
.kickstarter-link:focus-visible {
  border-color: rgba(5, 206, 120, 0.28);
  background: linear-gradient(135deg, #20ea92 0%, #05ce78 100%);
  color: #04150d;
}

body[data-theme="dark"] .kickstarter-link {
  border-color: rgba(5, 206, 120, 0.24);
  background: linear-gradient(135deg, #06e07f 0%, #05ce78 100%);
  color: #04150d;
  box-shadow: 0 18px 40px rgba(5, 206, 120, 0.2);
}

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(17, 17, 17, 0.04);
  color: var(--text);
  cursor: pointer;
}

body[data-theme="dark"] .menu-toggle {
  background: rgba(255, 255, 255, 0.06);
}

.menu-toggle span {
  width: 18px;
  height: 1.5px;
  margin: 0 auto;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle.is-open span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-toggle.is-open span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: 92px;
  left: 16px;
  right: 16px;
  z-index: 40;
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

body[data-theme="dark"] .mobile-nav {
  background: rgba(8, 12, 24, 0.9);
}

.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(17, 17, 17, 0.04);
  color: var(--muted);
}

body[data-theme="dark"] .mobile-nav a {
  background: rgba(255, 255, 255, 0.04);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.03);
  color: var(--text);
  cursor: pointer;
}

body[data-theme="dark"] .theme-toggle {
  background: rgba(255, 255, 255, 0.04);
}

.theme-toggle-track {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.12);
  transition: background 180ms ease;
}

body[data-theme="dark"] .theme-toggle-track {
  background: rgba(255, 255, 255, 0.18);
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.18);
  transition: transform 180ms ease, background 180ms ease;
}

body[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(18px);
  background: #9ac8ff;
}

.theme-toggle-label {
  font-size: 0.92rem;
  font-weight: 600;
}

.theme-toggle-mobile {
  justify-content: space-between;
  width: 100%;
  padding: 12px 14px;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.03);
}

body[data-theme="dark"] .language-toggle {
  background: rgba(255, 255, 255, 0.04);
}

.language-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.7;
  transition: background 180ms ease, opacity 180ms ease, transform 180ms ease;
}

.language-option:hover,
.language-option:focus-visible,
.language-option.is-active {
  background: rgba(37, 99, 235, 0.1);
  opacity: 1;
  transform: translateY(-1px);
}

body[data-theme="dark"] .language-option:hover,
body[data-theme="dark"] .language-option:focus-visible,
body[data-theme="dark"] .language-option.is-active {
  background: rgba(154, 200, 255, 0.12);
}

.language-toggle-mobile {
  justify-content: center;
  width: 100%;
  padding: 8px;
}

.hero {
  display: grid;
  gap: 36px;
  align-items: center;
  padding: 76px 0 48px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.charging-copy h2,
.final-cta h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 12vw, 6.4rem);
}

.hero-text,
.story-copy p,
.feature-card p,
.feature-showcase-copy p,
.product-copy p,
.capability-card p,
.kickstarter-panel p,
.trust-card p,
.trust-highlight-copy p,
.charging-copy p,
.final-cta p,
.intro-band p {
  color: var(--muted);
  font-size: 1rem;
}

.hero-text {
  max-width: 620px;
  margin: 20px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  border: 1px solid rgba(37, 99, 235, 0.14);
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.18);
}

body[data-theme="dark"] .button-primary {
  border: 1px solid rgba(154, 200, 255, 0.2);
  background: linear-gradient(135deg, #edf5ff 0%, #9ac8ff 100%);
  color: #0a1120;
  box-shadow: 0 12px 30px rgba(95, 168, 255, 0.22);
}

.button-primary.kickstarter-link {
  border: 1px solid rgba(5, 206, 120, 0.18);
  background: linear-gradient(135deg, #06e07f 0%, #05ce78 100%);
  color: #04150d;
  box-shadow: 0 16px 36px rgba(5, 206, 120, 0.24);
}

body[data-theme="dark"] .button-primary.kickstarter-link {
  border: 1px solid rgba(5, 206, 120, 0.24);
  background: linear-gradient(135deg, #06e07f 0%, #05ce78 100%);
  color: #04150d;
  box-shadow: 0 16px 36px rgba(5, 206, 120, 0.24);
}

.button-secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.button-wide {
  width: 100%;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.hero-metrics div,
.feature-card,
.product-card,
.trust-card,
.price-card,
.capability-card,
.kickstarter-panel,
.ecosystem-banner,
.intro-band,
.trust-highlight,
.feature-showcase {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-metrics div {
  padding: 18px;
  border-radius: 22px;
}

.hero-metrics strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
}

.hero-play-button {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.2);
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.hero-play-button:hover,
.hero-play-button:focus-visible {
  transform: translate(-50%, -50%) scale(1.04);
  background: rgba(255, 255, 255, 0.24);
}

body[data-theme="dark"] .hero-play-button {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(8, 12, 24, 0.34);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.hero-play-icon {
  width: 0;
  height: 0;
  margin-left: 6px;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 22px solid #ffffff;
}

body[data-theme="dark"] .hero-play-icon {
  border-left-color: #f4f7ff;
}

.hero-glow {
  position: absolute;
  inset: auto 8% 10% 8%;
  height: 28%;
  border-radius: 999px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(36px);
  z-index: 0;
}

.hero-visual img,
.story-visual img,
.feature-showcase-visual img,
.product-media img,
.ecosystem-banner-visual img,
.capability-card img,
.kickstarter-visual img,
.trust-highlight-visual img,
.charging-visual img {
  width: 100%;
  height: auto;
  border-radius: inherit;
}

img[data-resource-file] {
  cursor: zoom-in;
}

.hero-visual img {
  position: relative;
  z-index: 1;
}

.intro-band {
  padding: 28px;
  border-radius: 28px;
  text-align: center;
}

.intro-band p {
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--muted-strong);
}

.story,
.features,
.ecosystem,
.learning,
.showcase,
.kickstarter,
.trust,
.charging,
.final-cta {
  padding: 110px 0 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.charging-copy h2,
.final-cta h2 {
  font-size: clamp(2.2rem, 7vw, 4.6rem);
}

.story-block,
.feature-showcase,
.trust-highlight,
.charging {
  display: grid;
  gap: 28px;
  align-items: center;
}

.story-block + .story-block {
  margin-top: 28px;
}

.story-copy,
.feature-showcase-copy,
.trust-highlight-copy,
.charging-copy {
  max-width: 540px;
}

.story-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.story-copy h3,
.feature-showcase-copy h3,
.trust-highlight-copy h3,
.kickstarter-panel h3,
.ecosystem-banner-text h3 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.story-visual,
.feature-showcase-visual,
.trust-highlight-visual,
.charging-visual,
.kickstarter-visual,
.product-media {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.glass-panel,
.dark-panel {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.dark-panel {
  background: linear-gradient(180deg, rgba(248, 249, 251, 0.96), rgba(236, 239, 244, 0.98));
}

body[data-theme="dark"] .dark-panel {
  background: linear-gradient(180deg, rgba(7, 12, 24, 0.94), rgba(4, 8, 18, 0.98));
}

.feature-grid,
.product-grid,
.trust-grid,
.price-grid {
  display: grid;
  gap: 18px;
}

.feature-card,
.product-card,
.trust-card,
.price-card {
  padding: 24px;
  border-radius: 26px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(154, 200, 255, 0.1);
  color: var(--accent);
  font-size: 1.15rem;
}

.feature-card h3,
.product-copy h3,
.trust-card h3,
.price-card strong {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

.feature-showcase,
.trust-highlight {
  margin-top: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.product-card {
  overflow: hidden;
  padding: 0;
}

.product-media {
  border-radius: 0;
}

.product-media img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-copy {
  padding: 22px;
}

.ecosystem-banner {
  display: grid;
  gap: 24px;
  margin-top: 26px;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.ecosystem-banner-visual {
  border-radius: 32px;
  overflow: hidden;
}

.ecosystem-banner-text {
  max-width: 560px;
}

.capability-strip {
  display: grid;
  gap: 18px;
  padding: 110px 0 0;
}

.learning-shell {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-xl) + 6px);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.8));
  box-shadow: var(--shadow);
}

body[data-theme="dark"] .learning-shell {
  background:
    radial-gradient(circle at top left, rgba(154, 200, 255, 0.1), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.08));
}

.learning-copy {
  max-width: 560px;
}

.learning-copy h2 {
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.learning-text {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.learning-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.learning-points span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.learning-visual {
  overflow: hidden;
  border-radius: 34px;
}

.learning-visual img {
  width: 100%;
  height: auto;
  border-radius: inherit;
}

.showcase-shell {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-xl) + 6px);
  background:
    radial-gradient(circle at top right, rgba(212, 175, 55, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.78));
  box-shadow: var(--shadow);
}

body[data-theme="dark"] .showcase-shell {
  background:
    radial-gradient(circle at top right, rgba(212, 175, 55, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.08));
}

.showcase-copy {
  max-width: 560px;
}

.showcase-copy h2 {
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.showcase-text {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.showcase-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.showcase-points span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(180, 134, 17, 0.18);
  border-radius: 999px;
  background: rgba(180, 134, 17, 0.08);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.showcase-visual {
  overflow: hidden;
  border-radius: 34px;
}

.showcase-visual img {
  width: 100%;
  height: auto;
  border-radius: inherit;
}

.capability-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.capability-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.capability-card div {
  padding: 20px 22px 24px;
}

.capability-card h3 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.kickstarter-layout {
  display: grid;
  gap: 20px;
}

.kickstarter-panel {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.badge {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 8px 12px;
  border: 1px solid rgba(180, 134, 17, 0.24);
  border-radius: 999px;
  background: rgba(180, 134, 17, 0.08);
  color: #8a6110;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

body[data-theme="dark"] .badge {
  border: 1px solid rgba(255, 223, 154, 0.24);
  background: rgba(255, 223, 154, 0.08);
  color: #ffe4a3;
}

.price-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 24px 0;
}

.price-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.price-card strong {
  display: block;
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.kickstarter-note {
  margin-bottom: 22px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
}

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

.charging {
  padding-bottom: 0;
}

.final-cta {
  padding-bottom: 110px;
  text-align: center;
}

.final-cta p {
  max-width: 700px;
  margin: 20px auto 0;
}

.final-cta .hero-actions {
  justify-content: center;
}

.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto 36px;
  padding: 28px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 0.92rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.video-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 22, 0.76);
  backdrop-filter: blur(10px);
}

.video-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 1080px);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  background: rgba(10, 14, 28, 0.88);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.video-modal-player {
  display: block;
  width: 100%;
  border-radius: 20px;
  background: #000000;
}

.video-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.image-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 22, 0.82);
  backdrop-filter: blur(12px);
}

.image-lightbox-dialog {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: min(100%, 1400px);
  max-height: calc(100vh - 40px);
  padding: 18px;
  gap: 16px;
}

.image-lightbox-media {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 76px);
  width: auto;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.image-lightbox-hint {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  backdrop-filter: blur(12px);
}

.image-lightbox-hint-text {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.image-lightbox-gesture {
  position: relative;
  width: 54px;
  height: 20px;
}

.gesture-dot,
.gesture-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.gesture-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.28);
}

.gesture-dot-left {
  left: 10px;
  animation: pinch-left 1.6s ease-in-out infinite;
}

.gesture-dot-right {
  right: 10px;
  animation: pinch-right 1.6s ease-in-out infinite;
}

.gesture-arrow {
  width: 12px;
  height: 2px;
  background: rgba(255, 255, 255, 0.86);
}

.gesture-arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  border-top: 2px solid rgba(255, 255, 255, 0.86);
  border-right: 2px solid rgba(255, 255, 255, 0.86);
  transform: translateY(-50%) rotate(45deg);
}

.gesture-arrow-left {
  left: 16px;
  animation: arrow-left 1.6s ease-in-out infinite;
}

.gesture-arrow-left::after {
  right: auto;
  left: -1px;
  transform: translateY(-50%) rotate(-135deg);
}

.gesture-arrow-right {
  right: 16px;
  animation: arrow-right 1.6s ease-in-out infinite;
}

.gesture-arrow-right::after {
  right: -1px;
}

.image-lightbox-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
}

@keyframes pinch-left {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }
  50% {
    transform: translateY(-50%) translateX(-6px);
  }
}

@keyframes pinch-right {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }
  50% {
    transform: translateY(-50%) translateX(6px);
  }
}

@keyframes arrow-left {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
    opacity: 0.75;
  }
  50% {
    transform: translateY(-50%) translateX(-6px);
    opacity: 1;
  }
}

@keyframes arrow-right {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
    opacity: 0.75;
  }
  50% {
    transform: translateY(-50%) translateX(6px);
    opacity: 1;
  }
}

body[data-theme="dark"] .theme-toggle-thumb {
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.28);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal-delay {
  transition-delay: 120ms;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .section {
    width: min(calc(100% - 48px), var(--max-width));
  }

  .site-header {
    padding: 16px 20px;
  }

  .hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    padding-top: 88px;
  }

  .story-block,
  .feature-showcase,
  .trust-highlight,
  .charging,
  .ecosystem-banner,
  .kickstarter-layout,
  .showcase-shell,
  .learning-shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .story-block-reverse .story-copy {
    order: 2;
  }

  .story-block-reverse .story-visual {
    order: 1;
  }

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

  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .capability-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .desktop-nav {
    display: inline-flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none;
  }

  .feature-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .hero {
    padding-top: 110px;
  }

  .hero-metrics div {
    padding: 22px;
  }
}

@media (max-width: 767px) {
  .brand img {
    width: 144px;
    height: 62px;
    margin-top: -10px;
    margin-right: -18px;
    margin-bottom: -10px;
  }

  .hero-play-button {
    width: 74px;
    height: 74px;
  }

  .hero-play-icon {
    border-top-width: 12px;
    border-bottom-width: 12px;
    border-left-width: 18px;
  }

  .hero-metrics,
  .price-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .story,
  .features,
  .ecosystem,
  .kickstarter,
  .trust,
  .charging,
  .final-cta,
  .capability-strip {
    padding-top: 88px;
  }

  .kickstarter-panel,
  .feature-showcase,
  .trust-highlight,
  .ecosystem-banner,
  .intro-band {
    padding: 22px;
  }
}

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

  .reveal,
  .menu-toggle span,
  .mobile-nav,
  .button,
  .hero-play-button,
  .video-modal,
  .image-lightbox {
    transition: none;
  }
}