:root {
  --bg: #f4f9fd;
  --bg-soft: #eef6fb;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --line: rgba(22, 79, 128, 0.12);
  --line-strong: rgba(22, 79, 128, 0.18);
  --text: #11324d;
  --muted: #5f7890;
  --primary: #0f67b8;
  --primary-dark: #0a4f8c;
  --accent: #17a8c9;
  --shadow: 0 20px 60px rgba(17, 50, 77, 0.12);
  --shadow-soft: 0 12px 28px rgba(17, 50, 77, 0.08);
  --radius: 24px;
  --radius-sm: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(23, 168, 201, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(15, 103, 184, 0.11), transparent 28%),
    linear-gradient(180deg, #f8fcff 0%, var(--bg) 50%, #f7fbff 100%);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.section {
  padding: 88px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255,255,255,0.55), rgba(255,255,255,0.9));
}

.section-accent {
  background:
    linear-gradient(180deg, rgba(18, 102, 182, 0.05), rgba(23, 168, 201, 0.06)),
    rgba(255, 255, 255, 0.74);
}

.section-label,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.section-label::before,
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent);
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.035em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

.section-intro {
  font-size: 1.08rem;
  max-width: 760px;
}

.section-heading.center {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 42px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: rgba(248, 252, 255, 0.72);
  border-bottom: 1px solid rgba(22, 79, 128, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--primary-dark);
}

.main-nav {
  display: none;
  align-items: center;
  gap: 26px;
}

.main-nav a,
.mobile-nav a {
  color: var(--text);
  font-weight: 500;
}

.main-nav a:hover,
.mobile-nav a:hover,
.main-nav a:focus-visible,
.mobile-nav a:focus-visible,
.brand:focus-visible,
.button:focus-visible,
.contact-email:focus-visible {
  color: var(--primary);
  outline: none;
}

.menu-toggle {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 12px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--primary-dark);
  border-radius: 99px;
}

.mobile-nav {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding-top 0.3s ease;
}

.mobile-nav.is-open {
  max-height: 320px;
  padding-top: 6px;
}

.hero {
  padding-top: 72px;
  overflow: hidden;
}

.hero-grid,
.section-grid.two-col {
  display: grid;
  gap: 32px;
}

.hero-lead {
  font-size: clamp(1.08rem, 2vw, 1.38rem);
  max-width: 700px;
  color: var(--text);
  font-weight: 500;
}

.hero-note {
  max-width: 640px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 16px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), #1a8ad7);
  color: #fff;
  box-shadow: 0 16px 34px rgba(15, 103, 184, 0.24);
}

.button-secondary {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--line-strong);
  color: var(--primary-dark);
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-highlights li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  color: var(--primary-dark);
  font-size: 0.95rem;
  font-weight: 600;
}

.hero-visual {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.55;
}

.orb-1 {
  width: 260px;
  height: 260px;
  background: rgba(26, 138, 215, 0.18);
  top: 14%;
  left: 6%;
}

.orb-2 {
  width: 180px;
  height: 180px;
  background: rgba(23, 168, 201, 0.22);
  bottom: 8%;
  right: 10%;
}

.orb-3 {
  width: 120px;
  height: 120px;
  background: rgba(15, 103, 184, 0.18);
  top: 10%;
  right: 18%;
}

.glass-card,
.glass-panel,
.contact-card,
.info-card,
.myth-card,
.risk-card,
.step-card,
.warning-box,
.faq-item,
.benefit-item {
  background: var(--surface);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.7);
  box-shadow: var(--shadow-soft);
}

.micro-card {
  position: relative;
  width: min(100%, 520px);
  min-height: 520px;
  padding: 34px;
  border-radius: 34px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}

.card-float {
  animation: floatCard 5.5s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.micro-core {
  display: grid;
  place-items: center;
  width: 100%;
}

.micro-caption {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255,255,255,0.68);
  border: 1px solid var(--line);
}

.micro-caption strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.info-card-grid,
.risk-points,
.steps-list,
.benefit-list {
  display: grid;
  gap: 18px;
}

.info-card,
.risk-card,
.step-card,
.warning-box,
.contact-card {
  border-radius: var(--radius-sm);
  padding: 24px;
}

.info-card img,
.benefit-item img {
  margin-bottom: 16px;
}

.why-grid {
  display: grid;
  gap: 28px;
}

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

.myth-list {
  display: grid;
  gap: 18px;
}

.myth-card {
  border-radius: 26px;
  padding: 24px;
}

.myth-top {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.myth-body {
  display: grid;
  gap: 14px;
}

.myth-explain {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pill-myth {
  background: rgba(15, 103, 184, 0.1);
  color: var(--primary-dark);
}

.pill-fact {
  background: rgba(23, 168, 201, 0.12);
  color: #127b92;
}

.benefit-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  border-radius: 22px;
  padding: 22px;
}

.warning-box {
  margin-top: 26px;
  border-left: 4px solid var(--accent);
}

.warning-box strong {
  display: block;
  margin-bottom: 8px;
}

.step-card {
  position: relative;
  overflow: hidden;
}

.step-card span {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(15, 103, 184, 0.12), rgba(23, 168, 201, 0.12));
  color: var(--primary-dark);
  font-weight: 800;
  margin-bottom: 14px;
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  border-radius: 20px;
  padding: 0 20px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  padding: 22px 34px 22px 0;
  position: relative;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--primary);
}

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

.faq-item p {
  padding: 0 0 22px;
  margin: 0;
}

.contact-wrap {
  display: grid;
  gap: 24px;
}

.contact-card {
  border-radius: 26px;
}

.contact-email {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--primary-dark);
  display: inline-block;
  margin-bottom: 12px;
}

.site-footer {
  padding: 30px 0 48px;
  border-top: 1px solid rgba(22, 79, 128, 0.08);
  background: rgba(255,255,255,0.58);
}

.footer-copy p {
  margin: 0 0 8px;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (min-width: 768px) {
  .container {
    width: min(var(--container), calc(100% - 56px));
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 40px;
  }

  .section-grid.two-col,
  .contact-wrap,
  .why-grid {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
    gap: 34px;
  }

  .info-card-grid,
  .risk-points,
  .steps-list,
  .benefit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .section {
    padding: 112px 0;
  }

  .myth-card {
    padding: 28px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 42px;
  }

  .micro-card {
    min-height: 420px;
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}