/* =============================================
   KIDSGURU — REDESIGNED STYLE SYSTEM 2026
   ============================================= */

:root {
  /* Core palette */
  --indigo: #6366f1;
  --indigo-dark: #4f46e5;
  --cyan: #06b6d4;
  --green: #22c55e;
  --amber: #f59e0b;
  --pink: #ec4899;
  --purple: #7c3aed;

  /* Surface colors */
  --ink: #15213a;
  --muted: #61708d;
  --line: #e8edf7;
  --soft: #f7f9ff;
  --white: #ffffff;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.84);
  --glass-border: rgba(255, 255, 255, 0.88);
  --glass-shadow: 0 24px 70px rgba(42, 58, 102, 0.14);

  /* Spacing */
  --shadow: 0 24px 70px rgba(42, 58, 102, .14);
  --radius: 22px;
  --radius-lg: 28px;
  --space-section: 82px;
  --space-section-mobile: 56px;
}

/* ===== RESET & BASE ===== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  overflow-x: hidden;
  font-size: 15px;
}

body.loading {
  overflow: hidden;
}

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

button {
  font: inherit;
}

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

/* ===== LOADER ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0f0c29, #1e1b4b, #0f0c29);
  transition: opacity .5s ease, visibility .5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-mark {
  width: 140px;
  height: 140px;
  border-radius: 30px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  font-size: 28px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  box-shadow: 0 0 0 18px rgba(99, 102, 241, 0.15), 0 0 60px rgba(124, 58, 237, 0.35);
  animation: pop 1.2s ease-in-out infinite;
}

.loader-mark img {
  width: 100%;
  border-radius: 30px;
}

/* ===== SCROLL PROGRESS BAR ===== */
.scrollbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--indigo), var(--cyan), var(--green), var(--amber));
  border-radius: 0 2px 2px 0;
}

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232, 237, 247, 0.86);
}

.nav-inner,
.section-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
}

.brand-mark {
  width: auto;
  height: 60px;
  border-radius: 0;
  display: grid;
  place-items: center;
  color: white;
  background: unset;
  box-shadow: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
  color: #45516d;
}

.nav-links a {
  transition: color .2s ease;
}

.nav-links a:hover {
  color: var(--indigo);
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 16px;
  background: #eef4ff;
  color: var(--ink);
  cursor: pointer;
}

/* ===== BUTTONS ===== */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease;
  white-space: nowrap;
  letter-spacing: .01em;
}

.btn svg {
  flex: 0 0 auto;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--purple), var(--indigo), var(--cyan));
  box-shadow: 0 18px 40px rgba(124, 58, 237, 0.32);
}

.btn-primary:hover {
  box-shadow: 0 24px 52px rgba(124, 58, 237, 0.42);
}

.btn-secondary {
  color: var(--ink);
  background: white;
  border: 1.5px solid var(--line);
  box-shadow: 0 12px 28px rgba(42, 58, 102, .10);
}

.btn-secondary:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 18px 38px rgba(42, 58, 102, .14);
}

.ripple {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  pointer-events: none;
  background: rgba(255, 255, 255, .45);
  transform: translate(-50%, -50%) scale(0);
  animation: ripple .65s ease-out;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 12%, rgba(99, 102, 241, 0.22) 0%, transparent 40%),
    radial-gradient(ellipse at 85% 8%, rgba(6, 182, 212, 0.18) 0%, transparent 38%),
    radial-gradient(ellipse at 50% 90%, rgba(34, 197, 94, 0.10) 0%, transparent 42%),
    linear-gradient(165deg, #faf9ff 0%, #f0f4ff 35%, #e8f8ff 65%, #f5fff8 100%);
}

/* Animated bg blobs */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  opacity: 0;
  animation: none;
}

/* Particle elements */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: particleFloat 0s ease-in-out infinite;
}

.p1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 70%);
  top: -80px;
  right: 10%;
  animation-duration: 8s;
}

.p2 {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.14), transparent 70%);
  top: 40%;
  left: -60px;
  animation-duration: 11s;
  animation-delay: -3s;
}

.p3 {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12), transparent 70%);
  bottom: 10%;
  right: 5%;
  animation-duration: 9s;
  animation-delay: -5s;
}

.p4 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.10), transparent 70%);
  top: 20%;
  left: 8%;
  animation-duration: 13s;
  animation-delay: -2s;
}

.p5 {
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.12), transparent 70%);
  bottom: 30%;
  left: 15%;
  animation-duration: 10s;
  animation-delay: -7s;
}

.p6 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.14), transparent 70%);
  top: 60%;
  right: 20%;
  animation-duration: 7s;
  animation-delay: -4s;
}

/* ===== HERO INNER ===== */
.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  align-items: center;
  gap: 54px;
  padding: 52px 0 68px;
}

/* ===== EYEBROW ===== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 9px 14px;
  border-radius: 999px;
  color: #1a2a4a;
  background: rgba(255, 255, 255, 0.88);
  border: 1.5px solid rgba(99, 102, 241, 0.20);
  box-shadow: 0 8px 24px rgba(42, 58, 102, 0.10);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(34, 197, 94, .18);
  animation: pulseDot 2.2s ease-in-out infinite;
}

/* ===== H1 ===== */
h1 {
  max-width: 640px;
  margin-top: 20px;
  font-size: clamp(40px, 6.2vw, 72px);
  line-height: 1.06;
  letter-spacing: -.01em;
  font-weight: 900;
}

.gradient-text {
  color: transparent;
  background: linear-gradient(100deg, #7c3aed 0%, #6366f1 35%, #06b6d4 65%, #22c55e 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ===== HERO COPY ===== */
.hero-copy {
  max-width: 580px;
  margin-top: 18px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.74;
  color: #4d5d79;
}

/* ===== HERO ACTIONS ===== */
.hero-actions,
.cta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ===== HERO PROOF ===== */
.hero-proof {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
  color: #50617f;
  font-size: 14px;
  font-weight: 600;
  width: fit-content;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 30px rgba(42, 58, 102, 0.08);
  backdrop-filter: blur(6px);
}

/* ===== AVATAR STACK ===== */
.avatar-stack {
  display: flex;
  padding-left: 9px;
}

.avatar {
  width: 36px;
  height: 36px;
  margin-left: -9px;
  border: 3px solid white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(42, 58, 102, .12);
}

.avatar:nth-child(1) {
  background: linear-gradient(135deg, #7c3aed, #6366f1);
}

.avatar:nth-child(2) {
  background: linear-gradient(135deg, #06b6d4, #22c55e);
}

.avatar:nth-child(3) {
  background: linear-gradient(135deg, #f59e0b, #ec4899);
}

.avatar:nth-child(4) {
  background: linear-gradient(135deg, #6366f1, #06b6d4);
}

/* ===== HERO TRUST BADGES ===== */
.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1.5px solid rgba(232, 237, 247, 0.9);
  box-shadow: 0 6px 18px rgba(42, 58, 102, 0.07);
  font-size: 12px;
  font-weight: 700;
  color: #2d3a56;
  backdrop-filter: blur(6px);
  transition: transform .18s ease, box-shadow .18s ease;
}

.trust-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(42, 58, 102, 0.12);
}

/* ===== HERO ART ===== */
.hero-art {
  position: relative;
  min-height: 600px;
  display: grid;
  align-items: center;
}

/* ===== FLOATING LESSON CARDS ===== */
.lesson-card {
  position: absolute;
  min-width: 148px;
  padding: 14px;
  border-radius: 20px;
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 10px;
  color: #1e293b;
  background: rgba(255, 255, 255, 0.92);
  border: 1.5px solid rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(42, 58, 102, 0.14);
  animation: cardFloat 5.8s ease-in-out infinite;
  backdrop-filter: blur(12px);
  z-index: 10;
}

.lesson-card strong {
  display: block;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.1;
}

.lesson-detail {
  display: block;
  margin-top: 2px;
  color: #667490;
  font-size: 11px;
  font-weight: 600;
}

.lesson-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 16px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--purple), var(--indigo));
}

.lesson-card:nth-child(2) .lesson-icon {
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
}

.lesson-card:nth-child(3) .lesson-icon {
  background: linear-gradient(135deg, var(--amber), #f87171);
}

.lesson-card:nth-child(4) .lesson-icon {
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.lesson-abc {
  left: 12px;
  top: 58px;
}

.lesson-ai {
  right: 16px;
  top: 120px;
  animation-delay: -1.2s;
}

.lesson-story {
  left: 24px;
  bottom: 132px;
  animation-delay: -2.5s;
}

.lesson-game {
  right: 10px;
  bottom: 168px;
  animation-delay: -3.8s;
}

/* ===== 3D SVG SCENE CONTAINER ===== */
.hero-3d-scene {
  position: relative;
  z-index: 5;
  width: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: transparent;
}

.hero-3d-scene svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== HERO METRIC STRIP ===== */
.hero-metric-strip {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  z-index: 10;
}

.hero-metric {
  min-height: 78px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.90);
  border: 1.5px solid rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 34px rgba(42, 58, 102, 0.11);
  backdrop-filter: blur(12px);
}

.hero-metric strong {
  display: block;
  color: var(--purple);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.hero-metric span {
  display: block;
  margin-top: 7px;
  color: #61708d;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ===== SECTIONS ===== */
section {
  padding: var(--space-section) 0;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-kicker {
  margin-bottom: 12px;
  color: var(--indigo);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
}

h2 {
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.12;
  letter-spacing: -.01em;
  font-weight: 800;
}

.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ===== TRUST STRIP ===== */
.trusted {
  padding: 28px 0;
  background: white;
  border-bottom: 1px solid var(--line);
}

.badge-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.badge {
  min-height: 66px;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #34415f;
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 10px 26px rgba(42, 58, 102, 0.06);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.badge:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 16px 36px rgba(42, 58, 102, 0.12);
}

.badge svg,
.card-icon svg,
.why-item svg {
  width: 20px;
  height: 20px;
}

/* ===== STATS ===== */
.stats {
  background: linear-gradient(180deg, #fff 0%, #f6f8ff 100%);
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: white;
  border: 1.5px solid var(--line);
  box-shadow: 0 18px 48px rgba(42, 58, 102, 0.08);
  transition: transform .22s ease;
}

.stat:hover {
  transform: translateY(-4px);
}

.stat strong {
  display: block;
  color: var(--purple);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
}

/* ===== FEATURES ===== */
.features,
.ai,
.faq {
  background: linear-gradient(180deg, #f7f9ff 0%, #f0f4ff 100%);
}

.grid {
  display: grid;
  gap: 18px;
}

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

/* ===== CARDS ===== */
.card {
  border: 1.5px solid rgba(232, 237, 247, 0.95);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.90);
  box-shadow: 0 14px 40px rgba(42, 58, 102, 0.07);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
  backdrop-filter: blur(4px);
}

.card:hover {
  transform: translateY(-7px);
  border-color: rgba(99, 102, 241, 0.22);
  box-shadow: 0 24px 60px rgba(42, 58, 102, 0.14);
}

.feature-card {
  padding: 22px;
  min-height: 176px;
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 20px;
  background: linear-gradient(135deg, var(--purple), var(--indigo));
  box-shadow: 0 12px 26px rgba(124, 58, 237, 0.25);
}

.feature-card:nth-child(4n+2) .card-icon {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow: 0 12px 26px rgba(6, 182, 212, 0.25);
}

.feature-card:nth-child(4n+3) .card-icon {
  background: linear-gradient(135deg, var(--amber), #f87171);
  box-shadow: 0 12px 26px rgba(245, 158, 11, 0.25);
}

.feature-card:nth-child(4n+4) .card-icon {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  box-shadow: 0 12px 26px rgba(236, 72, 153, 0.25);
}

.feature-card h3,
.ai-card h3,
.testimonial h3 {
  margin-top: 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.28;
}

.feature-card p,
.ai-card p,
.testimonial p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how {
  background: white;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 50px;
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 18px;
  align-items: center;
  padding: 16px;
  border-radius: 20px;
  border: 1.5px solid var(--line);
  background: white;
  box-shadow: 0 12px 32px rgba(42, 58, 102, 0.06);
  transition: transform .2s ease, border-color .2s ease;
}

.step:hover {
  transform: translateX(6px);
  border-color: rgba(99, 102, 241, 0.2);
}

.step-num {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  font-size: 18px;
  background: linear-gradient(135deg, var(--purple), var(--indigo));
  box-shadow: 0 10px 24px rgba(124, 58, 237, 0.28);
}

.step p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}

/* ===== WHY PARENTS LOVE ===== */
.why {
  background: linear-gradient(180deg, #fff 0%, #f8faff 100%);
}

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

.why-item {
  min-height: 92px;
  padding: 18px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #26365e;
  background: white;
  border: 1.5px solid var(--line);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 12px 32px rgba(42, 58, 102, 0.06);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.why-item:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 18px 42px rgba(42, 58, 102, 0.11);
}

.why-item svg {
  color: var(--green);
  flex: 0 0 auto;
}

/* ===== CATEGORIES ===== */
.categories {
  background: linear-gradient(180deg, #f7f9ff 0%, #edf2ff 100%);
}

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

.category {
  position: relative;
  min-height: 310px;
  padding: 22px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: white;
  border: 1.5px solid var(--line);
  font-weight: 700;
  box-shadow: 0 12px 32px rgba(42, 58, 102, 0.06);
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.category::before {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  right: -90px;
  top: -95px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--cat-color, var(--indigo)) 20%, transparent);
}

.category::after {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  left: -40px;
  bottom: -40px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--cat-color, var(--indigo)) 10%, transparent);
}

.category:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--cat-color, var(--indigo)) 35%, transparent);
  box-shadow: 0 22px 50px rgba(42, 58, 102, 0.12);
}

.category-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.mini-icon {
  width: 52px;
  height: 52px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--cat-color, var(--indigo)), color-mix(in srgb, var(--cat-color, var(--indigo)) 60%, var(--cyan)));
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--cat-color, var(--indigo)) 30%, transparent);
}

.page-count {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--cat-color, var(--indigo));
  background: color-mix(in srgb, var(--cat-color, var(--indigo)) 12%, white);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.category h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.2;
}

.category p {
  position: relative;
  z-index: 1;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
  font-weight: 500;
}

.subcat-list,
.lesson-pills {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.subcat-list span,
.lesson-pills span {
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f4f6fc;
  color: #43516d;
  font-size: 11.5px;
  font-weight: 700;
}

.lesson-pills {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1.5px solid var(--line);
}

.lesson-pills span {
  background: color-mix(in srgb, var(--cat-color, var(--indigo)) 12%, white);
  color: #26365e;
}

/* ===== CURRICULUM SHOWCASE ===== */
.curriculum-showcase {
  margin-bottom: 28px;
  padding: 28px;
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  background:
    radial-gradient(ellipse at 8% 12%, rgba(124, 58, 237, 0.35), transparent 32%),
    radial-gradient(ellipse at 88% 18%, rgba(6, 182, 212, 0.25), transparent 32%),
    linear-gradient(135deg, #0f0c29, #1e1b4b 55%, #162044);
  color: white;
  box-shadow: 0 32px 80px rgba(15, 12, 41, 0.35);
  overflow: hidden;
}

.curriculum-showcase h3 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.16;
}

.curriculum-showcase p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.76;
}

.showcase-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.showcase-metrics div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}

.showcase-metrics strong,
.showcase-metrics span {
  display: block;
}

.showcase-metrics strong {
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
}

.showcase-metrics span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 700;
}

.app-map {
  display: grid;
  gap: 12px;
}

.app-map-row {
  min-height: 64px;
  padding: 11px;
  border-radius: 18px;
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.10);
  transition: transform .2s ease;
}

.app-map-row:hover {
  transform: translateX(4px);
}

.app-map-row b {
  display: block;
  font-size: 14px;
}

.app-map-row small {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
}

.app-map-icon {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--row-color), var(--cyan));
  font-weight: 800;
  font-size: 13px;
}

.app-map-row em {
  font-style: normal;
  color: var(--row-color);
  font-size: 12px;
  font-weight: 800;
}

/* ===== AI SECTION ===== */
.ai-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ai-card {
  padding: 22px;
  min-height: 192px;
}

.ai-card .card-icon {
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
  box-shadow: 0 12px 26px rgba(6, 182, 212, 0.25);
}

/* ===== DASHBOARD ===== */
.dashboard {
  background: white;
}

.dash-wrap {
  padding: 24px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 5% 8%, rgba(99, 102, 241, 0.12), transparent 35%),
    radial-gradient(ellipse at 90% 88%, rgba(6, 182, 212, 0.10), transparent 35%),
    linear-gradient(145deg, #f8f9ff, #eef4ff);
  border: 1.5px solid var(--line);
  box-shadow: var(--shadow);
}

.dash-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.dash-title h3 {
  font-size: 22px;
  font-weight: 800;
}

.dash-title p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.dash-pill {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--green);
  background: white;
  font-weight: 800;
  font-size: 13px;
  border: 1.5px solid rgba(34, 197, 94, 0.25);
  box-shadow: 0 6px 16px rgba(34, 197, 94, 0.12);
}

.dash-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
}

.dash-panel {
  padding: 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(42, 58, 102, 0.07);
}

.progress-ring {
  width: 190px;
  height: 190px;
  margin: 22px auto 10px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--green) 0 72%, #e7edf8 72% 100%);
  box-shadow: 0 16px 38px rgba(34, 197, 94, 0.18);
}

.progress-ring span {
  width: 134px;
  height: 134px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: white;
  font-size: 36px;
  font-weight: 900;
  color: var(--purple);
}

.bar-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.bar-row {
  display: grid;
  gap: 6px;
  color: #3d4b67;
  font-size: 13px;
  font-weight: 700;
}

.bar {
  height: 10px;
  border-radius: 999px;
  background: #edf2fb;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--purple), var(--indigo), var(--cyan));
}

.dash-metrics {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.metric {
  padding: 16px;
  border-radius: 18px;
  background: white;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 26px rgba(42, 58, 102, 0.07);
  transition: transform .2s ease;
}

.metric:hover {
  transform: translateY(-3px);
}

.metric strong {
  display: block;
  font-size: 24px;
  font-weight: 900;
  color: var(--purple);
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background: linear-gradient(180deg, #fff 0%, #f7f9ff 100%);
}

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

.testimonial {
  padding: 24px;
}

.stars {
  color: var(--amber);
  font-size: 18px;
  letter-spacing: 2px;
  filter: drop-shadow(0 2px 4px rgba(245, 158, 11, 0.35));
}

.person {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.person-photo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.25);
}

.person strong,
.person span {
  display: block;
}

.person span {
  color: var(--muted);
  font-size: 13px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 20px;
  background: white;
  border: 1.5px solid var(--line);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(42, 58, 102, 0.06);
  transition: border-color .2s ease;
}

.faq-item.open {
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 16px 40px rgba(42, 58, 102, 0.10);
}

.faq-q {
  width: 100%;
  min-height: 72px;
  padding: 0 20px;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  font-weight: 800;
  font-size: 15px;
}

.faq-q span:last-child {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--indigo);
  background: #eef4ff;
  flex: 0 0 auto;
  font-size: 22px;
  transition: transform .22s ease, background .22s ease;
}

.faq-item.open .faq-q span:last-child {
  transform: rotate(45deg);
  background: color-mix(in srgb, var(--indigo) 15%, white);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
}

.faq-a p {
  padding: 0 22px 22px;
  color: var(--muted);
  line-height: 1.76;
}

/* ===== CTA ===== */
.cta {
  position: relative;
  overflow: hidden;
  padding: 90px 0;
  color: white;
  background:
    radial-gradient(ellipse at 10% 15%, rgba(196, 181, 253, 0.25), transparent 38%),
    radial-gradient(ellipse at 90% 85%, rgba(6, 182, 212, 0.22), transparent 38%),
    linear-gradient(135deg, #2e1065, #4c1d95 35%, #1e3a5f 70%, #0e7490);
}

.cta::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 38px;
  pointer-events: none;
}

/* Animated cta bg orbs */
.cta::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
  top: -200px;
  right: -100px;
  animation: ctaOrb 12s ease-in-out infinite;
}

.cta .section-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta p {
  max-width: 660px;
  margin: 16px auto 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.76;
}

.cta-actions {
  justify-content: center;
}

.cta .btn-secondary {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
  backdrop-filter: blur(8px);
}

.cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* ===== FOOTER ===== */
.footer {
  padding: 56px 0 28px;
  background: #0a0816;
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, .7fr);
  gap: 34px;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.82;
  font-size: 14px;
}

.footer a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.footer h3 {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: .04em;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.socials {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.socials a,
.back-top {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.10);
  color: white;
  transition: background .18s ease, transform .18s ease;
}

.socials a:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.copyright {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
}

/* ===== BACK TO TOP ===== */
.back-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 65;
  border: 0;
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  background: linear-gradient(135deg, var(--purple), var(--indigo));
  box-shadow: 0 14px 34px rgba(124, 58, 237, 0.30);
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  transform: translateY(-4px) !important;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* ===== KEYFRAME ANIMATIONS ===== */

/* SVG float animation for planet */
@keyframes svgFloat {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-18px);
  }
}

/* Moon orbits */
@keyframes moonOrbit1 {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes moonOrbit2 {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(-360deg);
  }
}

/* Star twinkling */
@keyframes starPulse {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1.0;
    transform: scale(1.6);
  }
}

/* Particle drift for SVG */
@keyframes particleDrift {

  0%,
  100% {
    transform: translateY(0) translateX(0);
  }

  33% {
    transform: translateY(-12px) translateX(6px);
  }

  66% {
    transform: translateY(8px) translateX(-8px);
  }
}

/* Lesson card float */
@keyframes cardFloat {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-14px) rotate(1deg);
  }
}

/* Hero particle slow drift */
@keyframes particleFloat {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-30px) scale(1.08);
  }
}

/* Pulse dot */
@keyframes pulseDot {

  0%,
  100% {
    box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.18);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(34, 197, 94, 0.08);
  }
}

/* Ripple */
@keyframes ripple {
  to {
    transform: translate(-50%, -50%) scale(18);
    opacity: 0;
  }
}

/* Loader pop */
@keyframes pop {

  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }

  50% {
    transform: scale(1.1) rotate(3deg);
  }
}

/* Morph blob */
@keyframes morph {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
    border-radius: 38% 62% 48% 52%;
  }

  50% {
    transform: translate(14px, -10px) scale(1.06);
    border-radius: 58% 42% 62% 38%;
  }
}

/* CTA bg orb */
@keyframes ctaOrb {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(-60px, 50px);
  }
}

.cta-actions a img {
  width: 200px;
}

/* ===== RESPONSIVE: 1040px ===== */
@media (max-width: 1040px) {

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

  .hero-inner {
    padding-top: 44px;
  }

  .hero-art {
    min-height: 520px;
  }

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

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

  .curriculum-showcase {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .dash-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* ===== RESPONSIVE: 780px ===== */
@media (max-width: 780px) {

  .nav-inner,
  .section-inner,
  .hero-inner {
    width: min(100% - 28px, 1180px);
  }

  .mobile-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 82px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border-radius: 24px;
    background: white;
    border: 1.5px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 14px;
  }

  .nav-cta {
    display: none;
  }

  section {
    padding: var(--space-section-mobile) 0;
  }

  .hero-inner {
    min-height: auto;
    gap: 24px;
    padding-top: 36px;
    padding-bottom: 52px;
  }

  h1 {
    font-size: clamp(34px, 11vw, 52px);
    line-height: 1.08;
  }

  h2 {
    font-size: clamp(26px, 8vw, 38px);
  }

  .section-head {
    margin-bottom: 28px;
  }

  .section-head p,
  .hero-copy {
    font-size: 15px;
    line-height: 1.64;
  }

  .hero-art {
    min-height: 440px;
  }

  .lesson-card {
    min-width: 124px;
    padding: 11px;
    border-radius: 16px;
  }

  .lesson-icon {
    width: 38px;
    height: 38px;
    border-radius: 13px;
    font-size: 14px;
  }

  .lesson-card strong {
    font-size: 12px;
  }

  .lesson-detail {
    font-size: 10px;
  }

  .lesson-abc {
    left: 8px;
    top: 52px;
  }

  .lesson-ai {
    right: 8px;
    top: 88px;
  }

  .lesson-story {
    left: 16px;
    bottom: 108px;
  }

  .hero-metric-strip {
    left: 12px;
    right: 12px;
    bottom: 12px;
    gap: 8px;
  }

  .hero-metric {
    min-height: 68px;
    padding: 11px;
  }

  .hero-metric strong {
    font-size: 18px;
  }

  .hero-metric span {
    font-size: 10px;
  }

  .feature-grid,
  .ai-grid,
  .why-grid,
  .stats-grid,
  .testimonial-grid,
  .footer-grid,
  .dash-grid,
  .dash-metrics {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .ai-card,
  .testimonial,
  .category {
    padding: 18px;
  }

  .category {
    min-height: auto;
  }

  .category h3 {
    font-size: 18px;
  }

  .curriculum-showcase,
  .dash-wrap {
    padding: 18px;
    border-radius: 22px;
  }

  .showcase-metrics {
    margin-top: 18px;
  }

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

  .showcase-metrics {
    grid-template-columns: 1fr;
  }

  .app-map-row {
    grid-template-columns: 46px 1fr;
  }

  .app-map-row em {
    grid-column: 2;
  }

  .dash-metrics {
    grid-column: auto;
  }

  .hero-trust-row {
    gap: 8px;
  }

  .trust-badge {
    font-size: 11px;
    padding: 6px 10px;
  }
}

/* ===== RESPONSIVE: 520px ===== */
@media (max-width: 520px) {

  .hero-actions,
  .cta-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
    min-height: 48px;
  }

  .brand {
    font-size: 18px;
  }

  .brand-mark {
    height: 50px;
  }

  .badge-row,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 360px;
  }

  .lesson-story,
  .lesson-game {
    display: none;
  }

  .lesson-detail {
    display: none;
  }

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

  .hero-metric {
    min-height: 58px;
    padding: 9px 8px;
  }

  .hero-metric strong {
    font-size: 15px;
  }

  .badge,
  .why-item {
    min-height: 58px;
  }

  .stat,
  .dash-panel,
  .metric {
    padding: 16px;
  }

  .stat strong {
    font-size: 30px;
  }

  .footer-grid {
    gap: 24px;
  }

  .curriculum-showcase {
    gap: 18px;
  }

  .trust-badge span {
    display: none;
  }
}

/* =============================================
   GLOBAL 3D GLOSSY ARCADE BUTTON SYSTEM FOR ALL GAMES
   ============================================= */

.app-back-btn,
.btn-3d,
.game-btn-3d,
.btn-primary,
button.game-btn,
.action-btn,
.restart-btn,
.next-btn,
.play-btn-3d {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 22px;
  background: linear-gradient(180deg, #8ae629 0%, #5cb811 55%, #469a08 100%);
  color: #ffffff !important;
  font-family: 'Fredoka', 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 50px;
  border: 3.5px solid #abf250;
  box-shadow: inset 0 2px 2px rgba(255, 255, 255, 0.85),
    inset 0 -4px 0 rgba(35, 75, 5, 0.55),
    0 6px 16px rgba(70, 154, 8, 0.45);
  text-shadow: 0 1.5px 2px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  touch-action: manipulation;
}

.app-back-btn::before,
.btn-3d::before,
.game-btn-3d::before,
.btn-primary::before,
button.game-btn::before,
.action-btn::before,
.restart-btn::before,
.next-btn::before,
.play-btn-3d::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 10px;
  right: 10px;
  height: 38%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.1) 100%);
  border-radius: 50px 50px 20px 20px;
  pointer-events: none;
}

.app-back-btn:hover,
.btn-3d:hover,
.game-btn-3d:hover,
.btn-primary:hover,
button.game-btn:hover,
.action-btn:hover,
.restart-btn:hover,
.next-btn:hover,
.play-btn-3d:hover {
  background: linear-gradient(180deg, #96f033 0%, #68cf15 55%, #4ea809 100%);
  box-shadow: inset 0 2px 2px rgba(255, 255, 255, 0.95),
    inset 0 -4px 0 rgba(35, 75, 5, 0.55),
    0 9px 22px rgba(70, 154, 8, 0.6);
  transform: translateY(-2px);
}

.app-back-btn:active,
.btn-3d:active,
.game-btn-3d:active,
.btn-primary:active,
button.game-btn:active,
.action-btn:active,
.restart-btn:active,
.next-btn:active,
.play-btn-3d:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 2px rgba(255, 255, 255, 0.4),
    inset 0 -2px 0 rgba(35, 75, 5, 0.55),
    0 3px 8px rgba(70, 154, 8, 0.3);
}

.app-back-btn {
  background: linear-gradient(180deg, #38bdf8 0%, #0284c7 55%, #0369a1 100%);
  border-color: #7dd3fc;
  box-shadow: inset 0 2px 2px rgba(255, 255, 255, 0.85),
    inset 0 -3.5px 0 rgba(3, 105, 161, 0.7),
    0 6px 14px rgba(2, 132, 199, 0.4);
}

.app-back-btn:hover {
  background: linear-gradient(180deg, #56c6f8 0%, #0390d9 55%, #0278b8 100%);
  box-shadow: inset 0 2px 2px rgba(255, 255, 255, 0.9),
    inset 0 -3.5px 0 rgba(3, 105, 161, 0.7),
    0 8px 18px rgba(2, 132, 199, 0.5);
}