:root {
  --bg: #f4fbfb;
  --paper: rgba(255, 255, 255, 0.82);
  --ink: #112033;
  --muted: #5a6a79;
  --line: rgba(17, 32, 51, 0.1);
  --accent: #0f8b8d;
  --accent-2: #177ddc;
  --accent-3: #19b69a;
  --accent-soft: rgba(15, 139, 141, 0.1);
  --glow: rgba(23, 125, 220, 0.14);
  --shadow: 0 28px 80px rgba(17, 32, 51, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(25, 182, 154, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(23, 125, 220, 0.16), transparent 28%),
    linear-gradient(180deg, #f7ffff 0%, #eff7fb 48%, #eef7f5 100%);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 255, 255, 0.84);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand,
.main-nav,
.hero-actions,
.chip-row,
.cta-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  color: #fff;
  font-size: 13px;
  box-shadow: 0 18px 36px rgba(23, 125, 220, 0.22);
}

.main-nav {
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.main-nav a:hover {
  color: var(--accent-2);
}

.nav-cta,
.hero-actions a,
.cta-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 18px 42px rgba(23, 125, 220, 0.22);
}

.nav-cta:hover,
.hero-actions a:hover,
.cta-actions a:hover {
  filter: brightness(0.96);
}

.ghost {
  background: transparent !important;
  color: var(--ink) !important;
  border: 1px solid var(--line);
  box-shadow: none !important;
}

.hero,
.video-gallery,
.glance,
.overview-block,
.search-reasons,
.feature-section,
.workflow,
.comparison,
.prompt-section,
.links-section,
.faq,
.cta-section {
  padding: 34px 0;
}

.hero-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.glance-card,
.reason-grid article,
.feature-grid article,
.step-grid article,
.comparison-table,
.prompt-grid article,
.video-card,
.link-grid a,
.faq-list article,
.cta-shell {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--paper);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.cta-shell {
  position: relative;
  overflow: hidden;
}

.hero-copy::before,
.hero-panel::before,
.cta-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(23, 125, 220, 0.14), transparent 32%),
    radial-gradient(circle at bottom left, rgba(25, 182, 154, 0.12), transparent 28%);
  pointer-events: none;
}

.hero-copy,
.hero-panel,
.cta-shell,
.comparison-table {
  padding: 30px;
}

.hero {
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(17, 32, 51, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 32, 51, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent);
  pointer-events: none;
}

.hero-copy {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 24px 4px;
  text-align: center;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-copy::before {
  display: none;
}

.eyebrow,
.section-kicker,
.panel-pill,
.step-grid span,
.link-grid span {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: -0.04em;
}

h1 {
  margin: 18px 0 0;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.95;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.04;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.12;
}

.hero-lead,
.section-heading p,
.long-copy p,
.reason-grid p,
.feature-grid p,
.step-grid p,
.comparison-row,
.prompt-grid p,
.faq-list p,
.cta-shell p {
  color: var(--muted);
  line-height: 1.72;
}

.hero-lead {
  max-width: 980px;
  margin: 18px auto 0;
  font-size: 16px;
}

.hero-actions {
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.panel-top {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  text-align: left;
}

.panel-top strong {
  font-size: 20px;
  letter-spacing: -0.04em;
}

.prompt-box,
.comparison-row,
.prompt-grid article {
  position: relative;
  z-index: 1;
}

.prompt-box {
  margin: 20px 0;
  padding: 18px 18px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(17, 32, 51, 0.08);
  background: linear-gradient(180deg, rgba(12, 34, 56, 0.98), rgba(17, 52, 84, 0.96));
  color: #dff7ff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-prompt-panel {
  padding: 22px;
  background: rgba(255, 255, 255, 0.9);
}

.hero-prompt-panel::before {
  background:
    radial-gradient(circle at top right, rgba(23, 125, 220, 0.08), transparent 34%),
    radial-gradient(circle at bottom left, rgba(25, 182, 154, 0.09), transparent 30%);
}

.prompt-box-light {
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  box-shadow: none;
}

.prompt-label {
  display: block;
  margin-bottom: 12px;
  color: rgba(223, 247, 255, 0.9);
  line-height: 1.6;
  font-size: 15px;
  font-weight: 600;
}

.prompt-label-dark {
  color: #7d726c;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.5;
}

.prompt-box textarea {
  width: 100%;
  min-height: 160px;
  resize: vertical;
  border: 1px solid rgba(223, 247, 255, 0.12);
  border-radius: 18px;
  padding: 16px 16px 14px;
  background: rgba(255, 255, 255, 0.04);
  color: #f3fbff;
  font: inherit;
  line-height: 1.68;
  outline: none;
}

.prompt-box-light textarea {
  border-color: rgba(17, 32, 51, 0.08);
  background: #fff;
  color: var(--ink);
  min-height: 92px;
  padding: 14px 16px;
  box-shadow: inset 0 1px 0 rgba(17, 32, 51, 0.04);
}

.prompt-box textarea::placeholder {
  color: rgba(223, 247, 255, 0.48);
}

.prompt-box-light textarea::placeholder {
  color: #9b8e87;
}

.prompt-box textarea:focus {
  border-color: rgba(25, 182, 154, 0.45);
  box-shadow: 0 0 0 4px rgba(25, 182, 154, 0.12);
}

.metric-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.metric-grid article,
.glance-card {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(17, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.metric-grid span,
.glance-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-grid strong,
.glance-card strong {
  display: block;
  font-size: 16px;
  line-height: 1.2;
}

.chip-row {
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.chip-row span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.chip-row a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(17, 32, 51, 0.08);
  color: var(--ink);
  font-size: 14px;
}

.chip-row .launch-button {
  margin-left: auto;
  min-width: 54px;
  min-height: 54px;
  padding: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  color: #fff;
  font-size: 24px;
  line-height: 1;
  box-shadow: 0 18px 36px rgba(23, 125, 220, 0.24);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 22px;
}

.section-heading-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.glance-grid,
.reason-grid,
.feature-grid,
.step-grid,
.prompt-grid,
.video-grid,
.link-grid,
.faq-list {
  display: grid;
  gap: 16px;
}

.glance-grid,
.reason-grid,
.feature-grid,
.step-grid {
  grid-template-columns: repeat(3, 1fr);
}

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

.video-grid {
  grid-template-columns: repeat(4, 1fr);
  align-items: start;
}

.faq-list {
  grid-template-columns: repeat(2, 1fr);
}

.link-grid {
  grid-template-columns: repeat(4, 1fr);
}

.split-shell {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 28px;
  align-items: start;
}

.reason-grid article,
.feature-grid article,
.step-grid article,
.faq-list article,
.prompt-grid article,
.video-card {
  padding: 24px;
}

.video-card {
  overflow: hidden;
}

.video-card video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 24px;
  background: #08111b;
}

.video-card div {
  padding-top: 16px;
}

.video-card p {
  color: var(--muted);
  line-height: 1.72;
  margin-bottom: 0;
}

.reason-grid span,
.step-grid span {
  margin-bottom: 16px;
}

.comparison-table {
  display: grid;
  gap: 0;
}

.comparison-row {
  display: grid;
  grid-template-columns: 0.8fr 1.1fr 1.1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(17, 32, 51, 0.08);
}

.comparison-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.comparison-head {
  color: var(--ink);
  font-weight: 800;
}

.comparison-row > div:first-child {
  color: var(--ink);
  font-weight: 700;
}

.prompt-grid small {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.link-grid a {
  padding: 22px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.link-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(23, 125, 220, 0.28);
}

.link-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  line-height: 1.25;
}

.cta-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.cta-actions {
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 980px) {
  .nav-shell {
    display: grid;
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero-shell,
  .split-shell,
  .cta-shell,
  .glance-grid,
  .reason-grid,
  .feature-grid,
  .step-grid,
  .prompt-grid,
  .video-grid,
  .link-grid,
  .faq-list {
    grid-template-columns: 1fr 1fr;
  }

  .hero-shell,
  .split-shell,
  .cta-shell {
    grid-template-columns: 1fr;
  }

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

  .comparison-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 24px, 1180px);
  }

  .nav-cta {
    display: none;
  }

  .hero,
  .glance,
  .overview-block,
  .search-reasons,
  .feature-section,
  .workflow,
  .comparison,
  .prompt-section,
  .links-section,
  .faq,
  .cta-section {
    padding: 28px 0;
  }

  .hero-copy,
  .hero-panel,
  .cta-shell,
  .comparison-table {
    padding: 22px;
  }

  .glance-grid,
  .reason-grid,
  .feature-grid,
  .step-grid,
  .prompt-grid,
  .video-grid,
  .link-grid,
  .faq-list,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 18px 8px 6px;
  }

  .chip-row .launch-button {
    margin-left: 0;
  }

  .hero-prompt-panel {
    padding: 22px;
  }

  .prompt-box-light textarea {
    min-height: 108px;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 30px;
  }
}