:root {
  --text-primary: #f8f9ff;
  --text-muted: #d2d7ff;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 24px 60px rgba(5, 8, 30, 0.32);
  --accent-cyan: #82f6ff;
  --accent-pink: #ff77c8;
  --accent-green: #74f5b0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Sora", "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: radial-gradient(circle at 20% 20%, #391374 0%, #1f0b47 30%, #120b36 65%, #0b122d 100%);
  line-height: 1.65;
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: -15%;
  z-index: -2;
  pointer-events: none;
  filter: blur(48px);
}

body::before {
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 92, 181, 0.85) 0%, transparent 45%),
    radial-gradient(circle at 80% 15%, rgba(57, 186, 255, 0.78) 0%, transparent 42%),
    radial-gradient(circle at 55% 70%, rgba(134, 74, 255, 0.8) 0%, transparent 45%);
  animation: meshShift 16s ease-in-out infinite alternate;
}

body::after {
  background:
    radial-gradient(circle at 25% 75%, rgba(255, 122, 204, 0.65) 0%, transparent 45%),
    radial-gradient(circle at 70% 65%, rgba(38, 150, 255, 0.65) 0%, transparent 40%),
    radial-gradient(circle at 50% 35%, rgba(123, 78, 255, 0.6) 0%, transparent 38%);
  animation: meshDrift 20s ease-in-out infinite alternate-reverse;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

.glass-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(10, 11, 35, 0.35);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  width: min(1120px, 92vw);
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: clamp(1.2rem, 1.4vw + 0.8rem, 1.8rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
  text-decoration: none;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.35rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  min-height: 48px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.footer-social a:hover,
.footer-social a:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  transform: translateY(-1px);
  outline: none;
}

main {
  width: min(1120px, 92vw);
  margin: 2.2rem auto 1.5rem;
  display: grid;
  gap: 1.2rem;
  flex: 1;
}

.glass-breadcrumbs {
  width: min(1120px, 92vw);
  margin: 1rem auto 0;
  backdrop-filter: blur(20px);
  background: rgba(15, 15, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  padding: 0.55rem 0.95rem;
}

.glass-breadcrumbs ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
}

.glass-breadcrumbs li {
  color: var(--text-muted);
}

.glass-breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: rgba(255, 255, 255, 0.6);
}

.glass-breadcrumbs a {
  color: #eaf7ff;
  text-decoration: none;
  font-weight: 600;
  min-height: 48px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.4rem;
}

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

.hero-section,
.glass-card,
.site-footer {
  backdrop-filter: blur(20px);
  background: rgba(15, 15, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--glass-shadow);
}

.hero-section :is(h1, h2, h3, h4, h5, h6, p, li, a, span, div, label, button),
.glass-card :is(h1, h2, h3, h4, h5, h6, p, li, a, span, div, label, button),
.site-footer :is(h1, h2, h3, h4, h5, h6, p, li, a, span, div, label, button),
.glass-breadcrumbs :is(h1, h2, h3, h4, h5, h6, p, li, a, span, div, label, button),
.cookie-widget :is(h1, h2, h3, h4, h5, h6, p, li, a, span, div, label, button) {
  text-shadow: 0px 1px 3px rgba(0, 0, 0, 0.8);
}

.hero-section {
  border-radius: 26px;
  padding: clamp(1.5rem, 3.4vw, 2.8rem);
  animation: riseIn 0.9s ease both;
}

.hero-section h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw + 0.9rem, 3.1rem);
  line-height: 1.15;
  background: linear-gradient(120deg, #ffffff, #c9d2ff 45%, var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-section p {
  max-width: 860px;
  margin: 1rem auto 0;
  color: var(--text-muted);
  font-size: clamp(0.95rem, 0.4vw + 0.88rem, 1.1rem);
}

.glass-card {
  border-radius: 24px;
  padding: clamp(1.1rem, 2.6vw, 2rem);
  animation: riseIn 1s ease both;
}

#glass-tool-container {
  min-height: 320px;
}

.ad-slot-placeholder {
  min-height: 90px;
  backdrop-filter: blur(20px);
  background: rgba(15, 15, 20, 0.28);
  border: 1px dashed rgba(255, 255, 255, 0.16);
}

.ad-slot-placeholder::before {
  content: "Reserved Ad Space";
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 90px;
  align-items: center;
  justify-content: center;
  color: rgba(232, 240, 255, 0.66);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.top-ad {
  margin-top: 0.1rem;
}

.tool-shell {
  display: grid;
  gap: 1.2rem;
}

.tool-top {
  display: grid;
  grid-template-columns: minmax(220px, 360px) auto;
  gap: 1rem;
  align-items: end;
}

.tool-input-group {
  display: grid;
  gap: 0.45rem;
}

.tool-input-group label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

input,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  padding: 0.72rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
}

input::placeholder,
textarea::placeholder {
  color: rgba(240, 244, 255, 0.7);
}

input:focus,
textarea:focus,
button:focus-visible {
  outline: 2px solid rgba(130, 246, 255, 0.55);
  outline-offset: 2px;
}

.tool-button,
.contact-button,
.cookie-btn {
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: linear-gradient(120deg, rgba(255, 124, 203, 0.9), rgba(69, 174, 255, 0.9));
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.62rem 1rem;
  min-height: 48px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: inherit;
}

.tool-button:hover,
.contact-button:hover,
.cookie-btn:hover {
  filter: brightness(1.08);
}

.metric-grid,
.live-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 0.75rem;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(120px, 1fr));
}

.metric-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 0.85rem;
  text-align: center;
}

.metric-card h3 {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-card p {
  margin: 0.35rem 0 0;
  font-size: clamp(1rem, 1.4vw + 0.6rem, 1.4rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.live-grid .metric-card p {
  color: var(--accent-cyan);
}

#live-ticking-container {
  min-height: 172px;
}

.ticking-seconds {
  display: inline-block;
  min-width: 90px;
  min-height: 1.6em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  line-height: 1.6;
}

.milestone-box {
  border-radius: 16px;
  border: 1px solid rgba(130, 246, 255, 0.35);
  background: rgba(130, 246, 255, 0.08);
  padding: 0.95rem 1rem;
  color: #e7fcff;
  font-weight: 500;
}

#life-stage-badge {
  border-color: rgba(255, 119, 200, 0.38);
  background: rgba(255, 119, 200, 0.12);
}

.error-box {
  border-radius: 12px;
  border: 1px solid rgba(255, 137, 167, 0.55);
  background: rgba(255, 137, 167, 0.15);
  color: #ffe8f0;
  padding: 0.65rem 0.8rem;
  font-size: 0.9rem;
}

#seo-content-area {
  display: grid;
  gap: 1rem;
}

#seo-content-area h2 {
  margin: 0;
  font-size: clamp(1.15rem, 1.3vw + 0.7rem, 1.8rem);
}

#seo-content-area h3 {
  margin: 0.4rem 0 0;
  font-size: clamp(1rem, 1vw + 0.7rem, 1.35rem);
}

#seo-content-area p {
  margin: 0;
  color: var(--text-muted);
}

#seo-content-area a {
  color: #a8f2ff;
  font-weight: 600;
}

.glass-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.glass-bullets li {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 0.7rem 0.85rem;
  color: var(--text-muted);
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.8rem;
}

.faq-item h3 {
  margin: 0;
  font-size: 1rem;
}

.faq-item p {
  margin-top: 0.4rem;
}

.site-footer {
  width: min(1120px, 92vw);
  margin: 1rem auto 6.8rem;
  border-radius: 24px;
  padding: 1.2rem clamp(1rem, 3vw, 2rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}

.footer-meta {
  display: grid;
  gap: 0.35rem;
}

.footer-meta p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links,
.footer-social {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links a,
.footer-social a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.86rem;
  padding: 0.34rem 0.62rem;
  min-height: 48px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.footer-social svg {
  display: block;
  width: 16px;
  height: 16px;
}

.cookie-widget {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  width: min(360px, calc(100vw - 2rem));
  backdrop-filter: blur(20px);
  background: rgba(15, 15, 20, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  box-shadow: 0 16px 42px rgba(3, 8, 35, 0.45);
  padding: 1rem;
  z-index: 40;
}

.cookie-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.cookie-widget p {
  margin: 0.45rem 0 0.85rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.cookie-actions {
  display: flex;
  justify-content: flex-end;
}

.author-bio-card {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
}

.author-bio-avatar {
  width: 84px;
  height: 84px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.author-bio-avatar svg {
  width: 42px;
  height: 42px;
}

.author-bio-card h2 {
  margin: 0;
  font-size: clamp(1.05rem, 1.3vw + 0.65rem, 1.6rem);
}

.author-bio-card p {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
}

.not-found-card {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.error-code {
  margin: 0;
  font-size: clamp(4.2rem, 12vw, 9rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 8px 34px rgba(11, 15, 50, 0.5);
}

.not-found-card p {
  margin: 0.7rem auto 1.15rem;
  max-width: 560px;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.return-button {
  text-decoration: none;
}

.page-main {
  width: min(1120px, 92vw);
  margin: 2rem auto 1.5rem;
  display: grid;
  gap: 1rem;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.contact-form .field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.success-message {
  display: none;
  border-radius: 12px;
  border: 1px solid rgba(116, 245, 176, 0.6);
  background: rgba(116, 245, 176, 0.18);
  color: #f2fff8;
  padding: 0.7rem 0.8rem;
  font-weight: 600;
}

.success-message.visible {
  display: block;
}

.mt-4 {
  margin-top: 0.5rem;
}

@keyframes meshShift {
  0% {
    transform: translate3d(-3%, -1%, 0) scale(1.05);
  }
  100% {
    transform: translate3d(3%, 2%, 0) scale(1.16);
  }
}

@keyframes meshDrift {
  0% {
    transform: translate3d(2%, -2%, 0) scale(1.05);
  }
  100% {
    transform: translate3d(-2%, 2%, 0) scale(1.12);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .tool-top {
    grid-template-columns: 1fr;
  }

  .metric-grid,
  .live-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .author-bio-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .author-bio-avatar {
    margin: 0 auto;
  }
}

@media (max-width: 900px) {
  .nav-inner {
    padding: 0.7rem 0;
    flex-direction: column;
    align-items: flex-start;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .contact-form .field-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  main,
  .page-main {
    margin-top: 1.3rem;
    margin-bottom: 1rem;
  }

  .site-footer {
    margin-bottom: 8.2rem;
  }

  .cookie-widget {
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
  }

  .metric-grid,
  .live-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}