:root {
  --bg: #07131f;
  --bg-soft: #0e1e30;
  --panel: rgba(8, 20, 34, 0.78);
  --panel-strong: rgba(12, 27, 45, 0.9);
  --line: rgba(140, 181, 212, 0.18);
  --line-strong: rgba(140, 181, 212, 0.28);
  --text: #edf6ff;
  --text-soft: #a2b6cb;
  --text-strong: #d8e8f5;
  --accent: #3ec0a0;
  --accent-2: #5c97f5;
  --accent-3: #ffd36f;
  --accent-4: #ff8d8d;
  --brand-ink: #07131f;
  --header-bg: rgba(5, 16, 28, 0.72);
  --ghost-bg: rgba(255, 255, 255, 0.03);
  --ghost-bg-strong: rgba(255, 255, 255, 0.05);
  --theme-active-bg: linear-gradient(135deg, var(--accent), var(--accent-2));
  --theme-active-ink: #07131f;
  --shot-border: rgba(255, 255, 255, 0.08);
  --shot-bg: rgba(255, 255, 255, 0.02);
  --cta-bg:
    radial-gradient(circle at top left, rgba(62, 192, 160, 0.18), transparent 34%),
    linear-gradient(135deg, rgba(8, 20, 34, 0.96), rgba(14, 30, 48, 0.92));
  --feature-tint-a: rgba(62, 192, 160, 0.1);
  --feature-tint-b: rgba(92, 151, 245, 0.1);
  --feature-tint-c: rgba(255, 211, 111, 0.08);
  --feature-tint-d: rgba(255, 141, 141, 0.08);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --page-width: 1180px;
  --font-main: "IBM Plex Sans", "Noto Sans SC", "Segoe UI", sans-serif;
  --body-bg:
    radial-gradient(circle at top left, rgba(62, 192, 160, 0.18), transparent 26%),
    radial-gradient(circle at 85% 12%, rgba(92, 151, 245, 0.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(255, 211, 111, 0.08), transparent 28%),
    linear-gradient(180deg, #05111b 0%, #0b1623 54%, #09131d 100%);
}

:root[data-theme='light'] {
  --bg: #f7efe2;
  --bg-soft: #eef4fb;
  --panel: rgba(255, 251, 245, 0.88);
  --panel-strong: rgba(255, 251, 245, 0.96);
  --line: rgba(103, 126, 147, 0.18);
  --line-strong: rgba(103, 126, 147, 0.28);
  --text: #173043;
  --text-soft: #61778a;
  --text-strong: #325065;
  --accent: #128a74;
  --accent-2: #5a95e8;
  --accent-3: #b57a1c;
  --accent-4: #c34f61;
  --brand-ink: #fffaf3;
  --header-bg: rgba(255, 251, 245, 0.8);
  --ghost-bg: rgba(21, 47, 69, 0.04);
  --ghost-bg-strong: rgba(21, 47, 69, 0.07);
  --theme-active-bg: linear-gradient(135deg, #1fa08a, #5a95e8);
  --theme-active-ink: #fffaf3;
  --shot-border: rgba(21, 47, 69, 0.1);
  --shot-bg: rgba(255, 255, 255, 0.72);
  --cta-bg:
    radial-gradient(circle at top left, rgba(242, 169, 92, 0.2), transparent 32%),
    radial-gradient(circle at bottom right, rgba(90, 149, 232, 0.16), transparent 28%),
    linear-gradient(135deg, rgba(255, 248, 240, 0.98), rgba(238, 244, 251, 0.95));
  --feature-tint-a: rgba(18, 138, 116, 0.08);
  --feature-tint-b: rgba(90, 149, 232, 0.09);
  --feature-tint-c: rgba(242, 169, 92, 0.1);
  --feature-tint-d: rgba(195, 79, 97, 0.08);
  --shadow: 0 20px 56px rgba(127, 99, 58, 0.14);
  --body-bg:
    radial-gradient(circle at top left, rgba(242, 169, 92, 0.18), transparent 32%),
    radial-gradient(circle at 86% 10%, rgba(90, 149, 232, 0.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(18, 138, 116, 0.08), transparent 28%),
    linear-gradient(180deg, #f7efe2 0%, #eef4fb 58%, #f5efe7 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background-color: var(--bg);
  background-image: var(--body-bg);
  font: 16px/1.65 var(--font-main);
  transition: background-color 0.24s ease, color 0.24s ease;
}

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

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

button {
  font: inherit;
}

.page-shell {
  width: min(calc(100% - 32px), var(--page-width));
  margin: 0 auto;
  padding-bottom: 72px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.16);
  transition: background 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--brand-ink);
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(62, 192, 160, 0.2);
  transition: color 0.24s ease, box-shadow 0.24s ease;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-copy strong {
  font-size: 15px;
}

.brand-copy span {
  color: var(--text-soft);
  font-size: 12px;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--text-soft);
}

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

.header-actions,
.cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.theme-control {
  display: flex;
  align-items: center;
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 8px 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--ghost-bg);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
}

.theme-toggle-btn:hover,
.theme-toggle-btn:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line-strong));
  background: var(--ghost-bg-strong);
}

.theme-toggle-prefix {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.theme-toggle-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--theme-active-bg);
  color: var(--theme-active-ink);
  box-shadow: 0 10px 24px rgba(62, 192, 160, 0.18);
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

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

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--brand-ink);
  box-shadow: 0 14px 34px rgba(62, 192, 160, 0.18);
}

.ghost-btn {
  border-color: var(--line-strong);
  background: var(--ghost-bg);
  color: var(--text);
}

.large {
  min-height: 52px;
  padding: 0 22px;
}

.hero-section {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 34px;
  align-items: center;
  padding: 62px 0 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--accent-3);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.cta-band h2 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(42px, 7vw, 76px);
}

.hero-lead,
.section-heading p,
.proof-item p,
.feature-card p,
.faq-card p,
.step-list p,
.cta-band p,
.theme-note p {
  color: var(--text-soft);
}

.hero-lead {
  max-width: 60ch;
  margin: 20px 0 24px;
  font-size: 18px;
}

.hero-points {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  padding-left: 18px;
  position: relative;
  color: var(--text-strong);
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
}

.hero-visual {
  position: relative;
}

.orbit-card,
.proof-item,
.feature-card,
.shot-frame,
.faq-card,
.cta-band,
.workflow-copy,
.theme-note {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transition: background 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.orbit-card {
  position: absolute;
  top: -22px;
  right: 18px;
  z-index: 1;
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-radius: 22px;
  transform: rotate(4deg);
}

.orbit-card span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 14px;
}

.orbit-card span::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.shot-frame {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius-xl);
}

.shot-frame img {
  width: 100%;
  aspect-ratio: 1600 / 980;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid var(--shot-border);
  background: var(--shot-bg);
  transition: border-color 0.24s ease, background 0.24s ease;
}

.shot-frame figcaption {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 14px;
}

.shot-frame figcaption strong {
  color: var(--text);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.proof-item,
.feature-card,
.faq-card,
.workflow-copy,
.cta-band,
.theme-note {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.proof-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-item strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
}

.proof-item p,
.feature-card p,
.faq-card p,
.theme-note p {
  margin-bottom: 0;
}

.section-grid,
.workflow-section,
.shots-section,
.faq-section {
  padding-top: 92px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

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

.section-heading h2,
.cta-band h2 {
  font-size: clamp(30px, 4.8vw, 54px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 210px;
}

.feature-card h3,
.faq-card h3,
.theme-note strong {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 24px;
}

.accent-a {
  background:
    linear-gradient(180deg, var(--feature-tint-a), transparent),
    var(--panel);
}

.accent-b {
  background:
    linear-gradient(180deg, var(--feature-tint-b), transparent),
    var(--panel);
}

.accent-c {
  background:
    linear-gradient(180deg, var(--feature-tint-c), transparent),
    var(--panel);
}

.accent-d {
  background:
    linear-gradient(180deg, var(--feature-tint-d), transparent),
    var(--panel);
}

.workflow-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 18px;
  align-items: stretch;
}

.step-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding-left: 20px;
}

.step-list li::marker {
  color: var(--accent-3);
  font-weight: 700;
}

.step-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 20px;
}

.theme-note {
  margin-bottom: 18px;
}

.theme-note strong {
  display: block;
}

.shots-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  margin-top: 92px;
  background: var(--cta-bg);
}

.faq-grid {
  align-items: stretch;
}

.faq-card {
  min-height: 180px;
}

@media (max-width: 1100px) {
  .site-header {
    border-radius: 28px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 980px) {
  .hero-section,
  .proof-strip,
  .feature-grid,
  .workflow-grid,
  .shots-grid,
  .faq-grid,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
  }

  .theme-control {
    width: 100%;
  }

  .theme-toggle-btn {
    width: 100%;
    justify-content: space-between;
  }

  .header-actions a {
    flex: 1 1 160px;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }

  .orbit-card {
    position: static;
    transform: none;
    margin-bottom: 14px;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--page-width));
  }

  .site-header {
    position: static;
    margin-top: 10px;
    padding: 16px;
  }

  .hero-section {
    padding-top: 34px;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(38px, 12vw, 58px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .proof-item,
  .feature-card,
  .faq-card,
  .workflow-copy,
  .cta-band,
  .shot-frame,
  .theme-note {
    padding: 18px;
  }

  .theme-toggle-btn {
    min-height: 50px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}