:root {
  --blue-950: #062655;
  --blue-900: #07316e;
  --blue-800: #0b4191;
  --blue-700: #0b5ec7;
  --blue-600: #0b68d8;
  --blue-500: #1687ff;
  --blue-100: #eaf4ff;
  --blue-050: #f6fbff;
  --white: #ffffff;
  --ink: #102033;
  --muted: #607089;
  --border: #d9e8f8;
  --shadow: 0 24px 70px rgba(9, 67, 145, 0.15);
  --shadow-soft: 0 14px 40px rgba(9, 67, 145, 0.10);
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

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

p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 1.05rem;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
  line-height: 1.12;
  color: var(--blue-950);
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.45rem, 5.5vw, 5.8rem);
  max-width: 980px;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.6rem);
}

h3 {
  font-size: 1.28rem;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-pad {
  padding: clamp(68px, 8vw, 120px) 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  transform: translateY(-140%);
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--blue-950);
  color: var(--white);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(217, 232, 248, 0.8);
  backdrop-filter: blur(16px);
}

.navbar {
  width: min(1260px, calc(100% - 28px));
  margin: 0 auto;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--blue-950);
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: var(--white);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 24px rgba(11, 104, 216, 0.24);
}

.brand-text {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 10px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.94rem;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--blue-800);
  background: var(--blue-100);
}

.nav-links .nav-cta {
  margin-left: 6px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  box-shadow: 0 10px 24px rgba(11, 104, 216, 0.22);
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta:focus {
  color: var(--white);
  background: var(--blue-950);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--white);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--blue-950);
  border-radius: 99px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 66px);
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at top left, rgba(22, 135, 255, 0.22), transparent 34%),
    radial-gradient(circle at bottom right, rgba(11, 104, 216, 0.16), transparent 32%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 78%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 104, 216, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 104, 216, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, #000, transparent 80%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: clamp(34px, 5vw, 72px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--blue-700);
  background: var(--blue-050);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue-500);
  box-shadow: 0 0 0 6px rgba(22, 135, 255, 0.12);
}

.eyebrow.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.10);
}

.eyebrow.light::before {
  background: var(--white);
}

.hero-lead {
  max-width: 820px;
  font-size: clamp(1.1rem, 2vw, 1.32rem);
  color: #40536e;
}

.hero-actions,
.order-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  border: 1px solid transparent;
  text-align: center;
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  box-shadow: 0 18px 36px rgba(11, 104, 216, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--blue-950);
}

.btn-soft {
  color: var(--blue-800);
  background: var(--white);
  border-color: var(--border);
  box-shadow: 0 12px 26px rgba(9, 67, 145, 0.08);
}

.btn-soft:hover,
.btn-soft:focus {
  background: var(--blue-100);
}

.btn-white {
  color: var(--blue-900);
  background: var(--white);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

.btn-outline-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: var(--white);
  color: var(--blue-900);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.trust-row span {
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  color: var(--blue-900);
  font-weight: 800;
  font-size: 0.92rem;
}

.hero-panel {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 36px;
  padding: clamp(22px, 3vw, 34px);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -40% -15% auto auto;
  width: 260px;
  height: 260px;
  border-radius: 999px;
  background: rgba(22, 135, 255, 0.16);
}

.panel-top {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--blue-900);
  font-weight: 800;
  margin-bottom: 18px;
}

.status-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #00a884;
  box-shadow: 0 0 0 7px rgba(0, 168, 132, 0.12);
}

.rank-card,
.metric-card,
.source-card,
.reason-card,
.feature-box,
.white-card,
.audience-grid article,
.process-grid article,
.mini-card,
.benefits-list div,
.faq-list details {
  border: 1px solid var(--border);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.main-rank {
  position: relative;
  border-radius: 28px;
  padding: 24px;
}

.rank-card small,
.metric-card small {
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rank-card strong {
  display: block;
  margin-top: 8px;
  color: var(--blue-950);
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.12;
}

.trend-line {
  height: 12px;
  border-radius: 999px;
  background: var(--blue-100);
  overflow: hidden;
  margin-top: 24px;
}

.trend-line span {
  display: block;
  width: 76%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-700), var(--blue-500));
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.metric-card {
  border-radius: 20px;
  padding: 18px;
}

.metric-card strong {
  display: block;
  color: var(--blue-900);
  margin-top: 4px;
}

.geo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.geo-strip span {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--blue-100);
  color: var(--blue-800);
  font-size: 0.82rem;
  font-weight: 800;
}

.wide-content {
  max-width: 1040px;
}

.wide-content h2 + p,
.text-block h2 + p {
  margin-top: 1.2rem;
}

.center {
  text-align: center;
}

.center p {
  margin-left: auto;
  margin-right: auto;
  max-width: 850px;
}

.soft-bg {
  background: linear-gradient(180deg, var(--blue-050), #ffffff);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.86fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.align-center {
  align-items: center;
}

.feature-box,
.white-card {
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 42px);
}

.check-list {
  display: grid;
  gap: 13px;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: #40536e;
  font-weight: 700;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-700);
  font-size: 0.84rem;
  font-weight: 900;
}

.source-grid,
.reason-grid,
.benefit-grid,
.audience-grid,
.process-grid {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}

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

.source-card,
.reason-card,
.audience-grid article,
.process-grid article {
  border-radius: var(--radius-md);
  padding: 24px;
}

.source-card span,
.process-grid span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--blue-100);
  color: var(--blue-800);
  font-weight: 900;
  margin-bottom: 18px;
}

.blue-band {
  background: linear-gradient(135deg, var(--blue-950), var(--blue-700));
  color: var(--white);
}

.blue-band h2,
.blue-band .text-block p,
.blue-band p {
  color: var(--white);
}

.blue-band .text-block p {
  opacity: 0.86;
}

.blue-checks li::before {
  background: var(--blue-700);
  color: var(--white);
}

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

.mini-card {
  border-radius: var(--radius-md);
  padding: 20px;
  color: var(--blue-900);
  font-weight: 900;
  text-align: center;
}

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

.reason-card {
  background: linear-gradient(180deg, #ffffff, var(--blue-050));
}

.audience-section {
  background:
    radial-gradient(circle at center left, rgba(22, 135, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff, var(--blue-050));
}

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

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

.benefits-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.benefits-list div {
  border-radius: var(--radius-md);
  padding: 22px;
}

.benefits-list strong,
.benefits-list span {
  display: block;
}

.benefits-list strong {
  color: var(--blue-900);
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.benefits-list span {
  color: var(--muted);
}

.order-section {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 34%),
    linear-gradient(135deg, var(--blue-950), var(--blue-700));
}

.order-card {
  border-radius: 38px;
  padding: clamp(30px, 5vw, 62px);
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.20);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.18);
  color: var(--white);
}

.order-card h2,
.order-card p {
  color: var(--white);
}

.order-card p {
  opacity: 0.9;
  max-width: 1040px;
}

.faq-section {
  background: #ffffff;
}

.faq-list {
  max-width: 980px;
  display: grid;
  gap: 14px;
}

.faq-list details {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 58px 22px 24px;
  color: var(--blue-950);
  font-weight: 900;
  list-style: none;
  position: relative;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-800);
  font-weight: 900;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  padding: 0 24px 22px;
}

.footer {
  padding: 44px 0;
  background: var(--blue-950);
  color: var(--white);
}

.footer p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 620px;
  margin: 14px 0 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}

.footer-brand,
.footer-brand .brand-text {
  color: var(--white);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.footer-links a {
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 800;
}

.footer-links a:hover,
.footer-links a:focus {
  background: var(--white);
  color: var(--blue-950);
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue-700);
  box-shadow: 0 14px 30px rgba(11, 104, 216, 0.32);
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus {
  background: var(--blue-950);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

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

  .reveal,
  .btn,
  .nav-links a,
  .back-to-top {
    transition: none;
  }
}

@media (max-width: 1080px) {
  .source-grid,
  .audience-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .navbar {
    min-height: 62px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 14px;
    right: 14px;
    display: grid;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow);
    transform-origin: top;
    transform: scaleY(0.92);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a,
  .nav-links .nav-cta {
    margin: 0;
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .hero {
    min-height: auto;
  }

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

  .hero-panel {
    max-width: 680px;
    width: 100%;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .brand-text {
    white-space: normal;
    font-size: 0.92rem;
    line-height: 1.1;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    border-radius: 12px;
  }

  .hero-actions,
  .order-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .metric-grid,
  .source-grid,
  .reason-grid,
  .benefit-grid,
  .audience-grid,
  .process-grid,
  .benefits-list {
    grid-template-columns: 1fr;
  }

  .section-pad {
    padding: 58px 0;
  }

  .hero-panel,
  .order-card {
    border-radius: 24px;
  }

  .source-card,
  .reason-card,
  .audience-grid article,
  .process-grid article,
  .feature-box,
  .white-card,
  .benefits-list div,
  .faq-list details {
    border-radius: 18px;
  }

  .faq-list summary {
    padding: 20px 52px 20px 18px;
  }

  .faq-list details p {
    padding: 0 18px 20px;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  p {
    font-size: 1rem;
  }

  .trust-row span,
  .geo-strip span {
    width: 100%;
    text-align: center;
  }
}

.site-header {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 99999;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(217, 232, 248, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 25px rgba(0, 60, 150, 0.08);
}

body {
  padding-top: 66px;
}

html {
  scroll-padding-top: 86px;
}

@media (max-width: 900px) {
  body {
    padding-top: 62px;
  }

  .nav-links {
    position: fixed !important;
    top: 72px;
    left: 14px;
    right: 14px;
    z-index: 99998;
  }
}