:root {
  --bg: #f7fbff;
  --surface: #ffffff;
  --surface-soft: #eef8ff;
  --surface-lilac: #f4f1ff;
  --text: #172033;
  --muted: #5e6b7f;
  --muted-strong: #425167;
  --primary: #247fce;
  --primary-dark: #155e9f;
  --primary-soft: #dff2ff;
  --accent: #7b6cf6;
  --accent-2: #1fb7c9;
  --warm: #ffd166;
  --border: #dcebf6;
  --shadow: 0 20px 60px rgba(32, 86, 130, 0.12);
  --shadow-soft: 0 14px 34px rgba(37, 93, 140, 0.1);
  --radius: 22px;
  --radius-sm: 16px;
  --container: 1160px;
  --header-height: 74px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(125, 218, 242, 0.2), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 46%, #ffffff 100%);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  border: 0;
}

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

.section {
  padding: 72px 0;
}

.section-compact {
  padding-top: 36px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-height);
  border-bottom: 1px solid rgba(220, 235, 246, 0.72);
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0;
}

.logo-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(36, 127, 206, 0.22);
}

.header-menu {
  display: none;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  border-radius: 999px;
  color: var(--muted-strong);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 9px 12px;
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--surface-soft);
  color: var(--primary-dark);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  padding: 4px;
  box-shadow: 0 8px 20px rgba(75, 131, 175, 0.08);
}

.language-option {
  display: inline-grid;
  min-width: 38px;
  min-height: 34px;
  place-items: center;
  border-radius: 999px;
  background: transparent;
  color: var(--muted-strong);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 800;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.language-option:hover,
.language-option:focus-visible {
  background: var(--surface-soft);
  color: var(--primary-dark);
}

.language-option.is-active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(36, 127, 206, 0.2);
}

.header-actions {
  display: none;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: inline-flex;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.2;
  padding: 12px 18px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 16px 30px rgba(36, 127, 206, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 20px 40px rgba(36, 127, 206, 0.28);
}

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

.btn-ghost {
  color: var(--primary-dark);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--surface-soft);
}

.btn-large {
  min-height: 52px;
  padding: 15px 22px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 50px;
}

.hero::after {
  position: absolute;
  right: 4vw;
  bottom: 10%;
  width: 130px;
  height: 130px;
  border: 2px solid rgba(31, 183, 201, 0.18);
  border-radius: 40px;
  content: "";
  transform: rotate(12deg);
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 44px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: 2.45rem;
  font-weight: 800;
}

h2 {
  margin-bottom: 16px;
  font-size: 2rem;
  font-weight: 800;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
  font-weight: 800;
}

.hero-subtitle {
  max-width: 640px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.hero-badges span,
.language-grid span {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--muted-strong);
  font-weight: 700;
  padding: 9px 13px;
  box-shadow: 0 8px 22px rgba(75, 131, 175, 0.08);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.hero-visual {
  position: relative;
  border: 1px solid rgba(204, 232, 249, 0.9);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(239, 249, 255, 0.8)),
    radial-gradient(circle at 80% 8%, rgba(183, 167, 255, 0.34), transparent 16rem);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading p:not(.eyebrow),
.section-copy {
  color: var(--muted);
  font-size: 1.05rem;
}

.steps-grid,
.feature-grid,
.safety-grid,
.question-grid {
  display: grid;
  gap: 16px;
}

.step-card,
.feature-card,
.safety-card,
.question-grid article,
.check-panel,
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.step-card,
.feature-card,
.safety-card,
.question-grid article {
  padding: 22px;
}

.step-card,
.feature-card,
.safety-card {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.step-card:hover,
.feature-card:hover,
.safety-card:hover {
  border-color: #bde2f7;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.step-number {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 15px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 800;
}

.step-card:nth-child(2) .step-number {
  background: var(--surface-lilac);
  color: var(--accent);
}

.step-card:nth-child(3) .step-number {
  background: #dcfbfb;
  color: #087d8b;
}

.step-card p,
.feature-card p,
.safety-card p,
.site-footer p,
.faq-answer p {
  margin-bottom: 0;
  color: var(--muted);
}

.features-section {
  background:
    linear-gradient(180deg, rgba(239, 249, 255, 0.2), rgba(244, 241, 255, 0.35)),
    linear-gradient(90deg, transparent, rgba(223, 242, 255, 0.44), transparent);
}

.feature-icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.96rem;
  font-weight: 800;
}

.shield-icon,
.book-icon,
.spark-icon,
.profiles-icon,
.start-icon {
  position: relative;
}

.shield-icon::before {
  width: 19px;
  height: 23px;
  border: 3px solid currentColor;
  border-radius: 12px 12px 16px 16px;
  content: "";
}

.book-icon::before {
  width: 24px;
  height: 20px;
  border: 3px solid currentColor;
  border-radius: 5px;
  content: "";
}

.spark-icon::before {
  content: "✦";
  font-size: 1.35rem;
}

.profiles-icon::before {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 8px 9px, currentColor 0 4px, transparent 4px),
    radial-gradient(circle at 17px 9px, currentColor 0 4px, transparent 4px),
    linear-gradient(currentColor 0 0) 5px 19px / 20px 3px no-repeat;
  content: "";
}

.start-icon::before {
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 16px solid currentColor;
  content: "";
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(5) .feature-icon {
  background: var(--surface-lilac);
  color: var(--accent);
}

.feature-card:nth-child(3) .feature-icon,
.feature-card:nth-child(6) .feature-icon {
  background: #dcfbfb;
  color: #087d8b;
}

.split-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.parents-section {
  background: #ffffff;
}

.check-panel {
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(223, 242, 255, 0.92), rgba(244, 241, 255, 0.92)),
    #ffffff;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted-strong);
  font-weight: 750;
  padding: 15px 16px 15px 48px;
}

.check-list li::before {
  position: absolute;
  left: 16px;
  top: 50%;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-2);
  color: #ffffff;
  content: "✓";
  font-size: 0.82rem;
  font-weight: 800;
  transform: translateY(-50%);
}

.languages-section {
  background: var(--surface-soft);
}

.language-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.language-grid .coming-soon {
  border-color: #dfd8ff;
  background: var(--surface-lilac);
  color: #5546c9;
}

.safety-section {
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

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

.safety-card::before {
  position: absolute;
  inset: 0 auto auto 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent-2));
  content: "";
}

.safety-card h3 {
  padding-left: 4px;
}

.question-grid article {
  display: flex;
  min-height: 92px;
  align-items: center;
  color: var(--muted-strong);
  font-size: 1.04rem;
  font-weight: 750;
}

.question-grid article::before {
  display: inline-grid;
  width: 34px;
  min-width: 34px;
  height: 34px;
  place-items: center;
  margin-right: 12px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  content: "?";
  font-weight: 900;
}

.cta-section {
  padding: 36px 0 72px;
}

.cta-panel {
  display: grid;
  gap: 24px;
  align-items: center;
  border-radius: 30px;
  background:
    radial-gradient(circle at 88% 20%, rgba(255, 209, 102, 0.38), transparent 14rem),
    linear-gradient(135deg, #eaf8ff 0%, #f4f1ff 100%);
  box-shadow: var(--shadow);
  padding: 28px;
}

.cta-panel h2 {
  margin-bottom: 0;
}

.faq-grid {
  display: grid;
  gap: 26px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  padding: 18px 20px;
  text-align: left;
}

.faq-question:hover,
.faq-question:focus-visible {
  background: var(--surface-soft);
}

.faq-icon {
  position: relative;
  display: inline-grid;
  width: 30px;
  min-width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 999px;
  background: var(--primary-soft);
}

.faq-icon::before,
.faq-icon::after {
  position: absolute;
  width: 13px;
  height: 2px;
  border-radius: 999px;
  background: var(--primary-dark);
  content: "";
}

.faq-icon::after {
  transform: rotate(90deg);
  transition: transform var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: rotate(0deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms ease;
}

.faq-answer > p {
  overflow: hidden;
  padding: 0 20px;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer > p {
  padding-bottom: 18px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #ffffff;
  padding: 36px 0 22px;
}

.footer-grid {
  display: grid;
  gap: 24px;
}

.footer-logo {
  margin-bottom: 12px;
}

.site-footer p {
  max-width: 560px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links a {
  border-radius: 999px;
  color: var(--muted-strong);
  font-weight: 700;
  padding: 8px 10px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  background: var(--surface-soft);
  color: var(--primary-dark);
}

.footer-bottom {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

.legal-main {
  padding: 64px 0 88px;
}

.legal-shell {
  max-width: 860px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  margin-bottom: 28px;
  border-radius: 999px;
  color: var(--primary-dark);
  font-weight: 800;
  padding: 8px 0;
}

.legal-back:hover,
.legal-back:focus-visible {
  color: var(--primary);
}

.legal-card {
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
  padding: 28px;
}

.legal-card h1 {
  margin-bottom: 12px;
  font-size: clamp(2.1rem, 8vw, 3.6rem);
}

.legal-updated {
  margin-bottom: 28px;
  color: var(--muted);
  font-weight: 700;
}

.legal-section {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.legal-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.legal-section h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.legal-section p,
.legal-section li {
  color: var(--muted-strong);
}

.legal-section ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 22px;
}

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

@keyframes floatMid {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(8px) rotate(1deg);
  }
}

@keyframes pulseBubble {
  0%,
  100% {
    transform: scale(1);
    transform-origin: 390px 220px;
  }
  50% {
    transform: scale(1.025);
  }
}

.float-slow {
  animation: floatSlow 8s ease-in-out infinite;
}

.float-mid {
  animation: floatMid 7s ease-in-out infinite;
}

.float-fast {
  animation: floatSlow 5s ease-in-out infinite;
}

.pulse {
  animation: pulseBubble 5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (min-width: 560px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }

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

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

  .cta-panel {
    padding: 38px;
  }
}

@media (min-width: 760px) {
  .container {
    width: min(100% - 48px, var(--container));
  }

  .section {
    padding: 92px 0;
  }

  .section-compact {
    padding-top: 52px;
  }

  .hero {
    padding-top: 72px;
  }

  h1 {
    font-size: 3.3rem;
  }

  h2 {
    font-size: 2.55rem;
  }

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

  .split-grid,
  .faq-grid {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .cta-panel {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 980px) {
  .menu-toggle {
    display: none;
  }

  .header-menu,
  .site-nav,
  .header-actions {
    display: flex;
  }

  .header-menu {
    align-items: center;
    gap: 18px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.88fr);
  }

  .hero-copy {
    max-width: none;
  }

  h1 {
    font-size: 4.15rem;
  }

  h2 {
    font-size: 3rem;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

@media (max-width: 979px) {
  .header-menu {
    position: fixed;
    top: calc(var(--header-height) + 10px);
    left: max(14px, env(safe-area-inset-left));
    right: max(14px, env(safe-area-inset-right));
    z-index: 55;
    display: none;
    max-height: calc(100dvh - var(--header-height) - 28px);
    overflow-y: auto;
    overscroll-behavior: contain;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

  .header-menu.is-open {
    display: grid;
  }

  .header-menu .site-nav {
    display: grid;
    gap: 4px;
  }

  .header-menu .site-nav a {
    padding: 13px 14px;
  }

  .header-menu .header-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }

  body.menu-open::before {
    position: fixed;
    inset: 0;
    z-index: 49;
    background: rgba(20, 34, 52, 0.08);
    content: "";
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .header-inner {
    gap: 10px;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 12px;
  }

  .language-switcher {
    gap: 2px;
    padding: 3px;
  }

  .language-option {
    min-width: 31px;
    min-height: 30px;
    font-size: 0.74rem;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.85rem;
  }

  .hero-visual {
    border-radius: 22px;
  }

  .step-card,
  .feature-card,
  .safety-card,
  .question-grid article,
  .check-panel {
    border-radius: 18px;
    padding: 18px;
  }
}