@charset "UTF-8";

/* =========================
   GLOBAL
========================= */

body {
  background:
    radial-gradient(circle at 50% -20%, rgba(255,255,255,0.12), transparent 60%),
linear-gradient(180deg, #3f3f86 0%, #353575 55%, #2f2f68 100%);    
  text-align: center;
  font-family: "Poppins", Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  color: #1F2D3D;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
html {
  scroll-behavior: smooth;
}

.ad-container {
  margin-top: 2rem;
  margin-bottom: 2rem;
  min-height: 90px;
}
.flag-btn {
  border-radius: 18px;
  cursor: pointer;
  border: none;
  outline: 2px solid rgba(255,255,255,0.35);
  outline-offset: 0;

  box-shadow:
    0 10px 20px rgba(0,0,0,0.12),
    0 4px 0 rgba(0,0,0,0.15),
    inset 0 2px 4px rgba(255,255,255,0.35);

  transition: all 0.2s ease;
}

/* hover = fun lift */
.flag-btn:hover {
  transform: translateY(-4px) scale(1.05) rotate(-1deg);
  outline: 3px solid rgba(255,255,255,0.75);

  box-shadow:
    0 16px 28px rgba(0,0,0,0.18),
    inset 0 2px 5px rgba(255,255,255,0.4),
    0 6px 0 rgba(0,0,0,0.2);
}

/* click press effect */
.flag-btn:active {
  transform: translateY(2px) scale(0.98);

  box-shadow:
    0 6px 12px rgba(0,0,0,0.15),
    0 2px 0 rgba(0,0,0,0.2);
}


.flag-wrap {
  margin-bottom: 25px;
}

.flag-wrap a {
  text-decoration: none;
}

.flag-wrap:hover .flag-label {
  color: #FFFFFF;
}

.flag-label {
  margin-top: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #C0C1FF;
  letter-spacing: 0.05em;
}

.flag-active {
  transform: scale(1.05);
  box-shadow:
    0 14px 26px rgba(0,0,0,0.18),
    0 0 0 4px rgba(99, 102, 241, 0.25);
}

.flag-current {
  border-radius: 22px;

  /* slightly larger presence */
  transform: scale(1.05);

  /* softer, more “display” style */
  box-shadow:
    0 14px 30px rgba(0,0,0,0.18),
    0 6px 0 rgba(255,255,255,0.6) inset;

  /* subtle highlight ring (very soft) */
  outline: 4px solid rgba(255,255,255,0.35);

  /* no interaction */
  pointer-events: none;
}

.flag-glass {
  display: inline-block;
  border-radius: 26px;
  padding: 8px;

  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  border: 2px solid rgba(255,255,255,0.4);

  box-shadow:
    0 20px 40px rgba(0,0,0,0.18),
    inset 0 2px 6px rgba(255,255,255,0.5),
    inset 0 -6px 14px rgba(0,0,0,0.08);
}

.flag-glass img {
  border-radius: 20px;
  display: block;
}
/* =========================
   TYPOGRAPHY
========================= */
.heading-primary-style {
  color: #FFFFFF;

  text-shadow:
    0 2px 0 rgba(0,0,0,0.25),
    0 6px 0 rgba(0,0,0,0.15),
    0 10px 20px rgba(0,0,0,0.25);
}
.main-heading {
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1.2;
  color: #F7F8FF;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
 text-shadow:
    0 2px 6px rgba(0,0,0,0.25),
    0 10px 24px rgba(0,0,0,0.25);
}

h1, h2, h3, h4, h5, h6,
p, li, a, button {
  font-family: "Poppins", Arial, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #F7F8FF;
}

p, li {
  font-weight: 400;
}
h1 {
  color: #F7F8FF !important;
}


/* =========================
   LAYOUT
========================= */

.top-spacing {
  padding-top: 2rem;
}

.site-wrap {
  overflow-x: hidden;
}

/* =========================
   HEADER / BANNER
========================= */

.banner-section {
  padding: 1.5rem 0 0.8rem;
}

.intro-text {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: #D6DEF7;
}

/* =========================
   INTRO BOX
========================= */

.intro-box {
  margin-top: 10px;
  padding: 30px;
  border-radius: 24px;

  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.96) 0%,
    rgba(243,245,255,0.94) 100%
  );

  color: #1F2D3D;

  border: 6px solid rgba(255,255,255,0.6);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);

  position: relative;
}

.intro-box::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px dashed rgba(79, 70, 229, 0.12);
  border-radius: 18px;
  pointer-events: none;
}

.intro-heading {
  font-size: 1.35rem;
  margin-bottom: 10px;
  color: #1F2D3D;
  position: relative;
  z-index: 1;
}

.intro-note {
  margin-top: 1rem;
  padding: 14px 18px;
  border-radius: 16px;
   background: linear-gradient(180deg, #F2F4FF 0%, #E8ECFF 100%);
  border: 2px solid rgba(79, 70, 229, 0.16);
  color: #334155;
  font-size: 0.95rem;
  line-height: 1.5;
  font-weight: 600;
  text-align: center;
 box-shadow: 0 6px 16px rgba(79, 70, 229, 0.10);
  position: relative;
  z-index: 1;
}

.intro-cta {
   color: #000000;
  font-weight: 700;
  text-decoration: underline;
}

.intro-cta:hover {
   color: #4338CA;
}

.intro-logo {
  height: 30px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
  opacity: 0.98;
  margin-right: 0;
}

.intro-cta-text {
  display: inline-block;
  line-height: 1;
}

/* =========================
   CARDS
========================= */

.cards-section {
  padding-bottom: 3rem;
}

.feature-card {
  background: linear-gradient(180deg, #ffffff 0%, #F5F7FF 100%);
  border: 2px solid #DCE4FF;
  border-radius: 26px;
  padding: 3rem 2.25rem;
  text-align: center;
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.10);
  transition: 0.25s;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: -28px;
  right: -28px;
  width: 90px;
  height: 90px;
  background: rgba(255, 209, 102, 0.18);
  border-radius: 50%;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 38px rgba(79, 70, 229, 0.16);
}

.feature-title {
  font-size: 2rem;
  color: #1F2D3D;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.feature-text {
  font-size: 1.1rem;
  color: #5C6B7A;
  position: relative;
  z-index: 1;
}

/* =========================
   GAME CARDS
========================= */

.game-section {
  margin-bottom: 2rem;
}

.game-card {
  margin-top: 10px;
  padding: 30px;
  border-radius: 24px;

  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.96) 0%,
    rgba(244,247,255,0.95) 100%
  );
  border: 6px solid rgba(226,232,255,0.9);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.18);
  
 

  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.game-card .row {
  margin-left: 0;
  margin-right: 0;
}
.game-card [class*="col-"] {
  padding-left: 15px;
  padding-right: 15px;
}

.game-card:hover {
 
  border-color: #A5B4FC; 
	transform: translateY(-4px);
	box-shadow:
    0 22px 44px rgba(15,23,42,0.24),
    0 0 0 4px rgba(99,102,241,0.10),
    0 0 28px rgba(99,102,241,0.14);
  
}


/* Image */

.game-image-link {
  display: block;
  position: relative;
  z-index: 1;
}

.game-image {
  border-radius: 18px;
 border: 2px solid rgba(255,255,255,0.85);
  box-shadow:
    0 10px 24px rgba(79,70,229,0.16),
    0 4px 10px rgba(15,23,42,0.12),
    0 2px 0 rgba(255,255,255,0.6) inset;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.game-image:hover {
  transform: scale(1.03) rotate(-0.4deg);

   box-shadow:
    0 16px 34px rgba(79,70,229,0.22),
    0 6px 14px rgba(15,23,42,0.16),
    0 2px 0 rgba(255,255,255,0.7) inset;
}



/* Content */

.game-content {
  padding-top: 1rem;
  padding-bottom: 1rem;
  position: relative;
  z-index: 1;
}
.game-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;

  background: rgba(79, 70, 229, 0.12);
  color: #4338CA;

  font-size: 0.8rem;
  font-weight: 700;
	letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.gameDELETE-tag {
  color: #2F80ED;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.game-title {
  color: #1F2D3D;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.game-title-link {
  color: #1F2D3D;
  text-decoration: none;
  font-weight: 700;
}

.game-title-link:hover {
   color: #4338CA;
  text-decoration: underline;
}

.game-description {
  color: #5C6B7A;
	max-width: 520px;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.game-button-primary {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 16px;

  background: linear-gradient(180deg, #8588F5 0%, #5658D9 100%);

  box-shadow:
    0 10px 22px rgba(86,88,217,0.28),
    0 4px 0 rgba(0,0,0,0.16),
    inset 0 2px 6px rgba(255,255,255,0.30);

  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  border: none;
  transition: all 0.2s ease;
}

.game-button-primary:hover {
 

  transform: translateY(-2px);

   background: linear-gradient(180deg, #9295FF 0%, #4F52CC 100%);

  box-shadow:
    0 14px 26px rgba(86,88,217,0.36),
    0 6px 0 rgba(0,0,0,0.18),
    inset 0 2px 6px rgba(255,255,255,0.35);
}

.game-button-primary:active {
  transform: translateY(2px);

  box-shadow:
    0 4px 10px rgba(79,70,229,0.20),
    0 1px 0 rgba(0,0,0,0.15),
    inset 0 1px 3px rgba(255,255,255,0.2);
}

.game-button-primary,
.game-button-primary:hover,
.game-button-primary:focus,
.game-button-primary:active {
  color: #ffffff;
  text-decoration: none;
}

/* =========================
   BUTTONS
========================= */

.math-btn,
.math-btn-light {
  color: white;
  padding: 13px 24px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.2px;
  display: inline-block;
  border: 2px solid rgba(255,255,255,0.78);
  box-shadow: 0 8px 18px rgba(47, 128, 237, 0.16);
  transition: all 0.2s ease;
}

/* container */
/* container */
.math-tabs {
  display: inline-flex;
  max-width: 480px;
  margin: 0 auto;

  background: rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 6px;
  gap: 4px;

  backdrop-filter: blur(6px);
  border: 2px solid rgba(255,255,255,0.18);

  box-shadow: 0 10px 22px rgba(0,0,0,0.12);
}

/* base tab */
.math-tab {
  flex: 1 1 0;
  min-width: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 10px 16px;

  font-weight: 700;
  text-decoration: none;

  color: #D8DAFF;
  background: rgba(255,255,255,0.09);
  white-space: nowrap;

  border-radius: 12px;



  transition: all 0.2s ease;
	backdrop-filter: blur(4px);
}

/* hover (inactive only) */
.math-tab:hover {
   background: rgba(255,255,255,0.17);
  color: #FFFFFF;

  transform: translateY(-1px);
}


/* active tab - red brand version */
.math-tab.active,
.math-tab[aria-current="page"] {
  border-radius: 14px;

  background: linear-gradient(180deg, #FF4B5C 0%, #D7192A 100%);
  color: #ffffff;

  box-shadow:
    0 8px 18px rgba(215, 25, 42, 0.35),
    inset 0 2px 4px rgba(255,255,255,0.35);
}

/* active hover */
.math-tab.active:hover {
  transform: translateY(-1px);

  background: linear-gradient(180deg, #FF5C6B 0%, #C81022 100%);

  box-shadow:
    0 10px 22px rgba(215, 25, 42, 0.42),
    inset 0 2px 5px rgba(255,255,255,0.4);
}
/* click feel */
.math-tab:active {
  transform: scale(0.97);
}
/* Floating Back Button */
.floating-back-btn {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 9999;

  display: inline-flex;
  align-items: center;
  gap: 6px;

  padding: 10px 14px;
  border-radius: 999px;

   background: linear-gradient(180deg, #8B5CF6 0%, #4F46E5 100%);
  backdrop-filter: blur(4px);

 border: 2px solid rgba(255,255,255,0.4);

  color: #ffffff !important;
  text-decoration: none !important;

  font-family: "Poppins", Arial, sans-serif;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;

  box-shadow:
    0 6px 14px rgba(79,70,229,0.25),
    inset 0 2px 4px rgba(255,255,255,0.25);
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.floating-back-btn:hover,
.floating-back-btn:focus {
  background: linear-gradient(180deg, #9B6CFF 0%, #4338CA 100%);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-1px);
  box-shadow:
    0 10px 20px rgba(79,70,229,0.30),
    inset 0 2px 5px rgba(255,255,255,0.3);
  color: #ffffff !important;
  text-decoration: none !important;
}

.floating-back-btn:active {
  transform: translateY(0);
}

.floating-back-icon {
  font-size: 16px;
  opacity: 0.9;
  line-height: 1;
}

.floating-back-text {
  line-height: 1;
}

.game-page {
  background: #ffffff;
}
/* =========================
   WORKSHEET BUTTONS
========================= */

.worksheet-button {
  display: inline-block;
  padding: 10px 22px;

  border-radius: 999px; /* full pill */

  background: linear-gradient(
    180deg,
    #EEF2FF 0%,
    #DCE4FF 100%
  );

  border: 2px solid rgba(99,102,241,0.18);

  color: #4338CA;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.2px;

  box-shadow:
    0 6px 16px rgba(79,70,229,0.12),
    inset 0 2px 4px rgba(255,255,255,0.75);

  transition: all 0.2s ease;
}

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

  background: linear-gradient(
    180deg,
    #FFFFFF 0%,
    #E5E7FF 100%
  );

  color: #312E81;

  box-shadow:
    0 10px 20px rgba(79,70,229,0.18),
    inset 0 2px 5px rgba(255,255,255,0.9);

  text-decoration: none;
}

.worksheet-button:active {
  transform: translateY(1px);
}

.worksheet-button,
.worksheet-button:hover {
  text-decoration: none;
}

.worksheet-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 1rem;
}

.worksheet-button {
  min-width: 220px;
  text-align: center;
}
@media (max-width: 768px) {
  .floating-back-btn {
    left: max(12px, env(safe-area-inset-left));
    bottom: max(12px, env(safe-area-inset-bottom));
    padding: 9px 12px;
    font-size: 13px;
  }

  .floating-back-icon {
    font-size: 15px;
  }
}
/* =========================
   SEO CONTENT BOX
========================= */

.seo-box{
  margin:40px 0;
  padding:30px;
  border-radius:26px;

  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.96) 0%,
    rgba(243,245,255,0.94) 100%
  );

  border:6px solid rgba(255,255,255,0.6);

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    0 12px 28px rgba(79,70,229,0.10);

  position:relative;
  overflow:hidden;
}

.seo-box::before{
  content:"";
  position:absolute;
  inset:10px;

  border:2px dashed rgba(79,70,229,0.12);
  border-radius:18px;

  pointer-events:none;
}

.seo-heading{
  position:relative;
  z-index:1;

  font-size:1.4rem;
  font-weight:700;
  color:#1F2D3D;

  margin-bottom:16px;
}

.seo-box p{
  position:relative;
  z-index:1;

  color:#334155;
  line-height:1.8;
  margin-bottom:14px;
}
/* =========================
   FOOTER
========================= */

.site-footer {
  background: linear-gradient(180deg, #312E81 0%, #1E1B4B 100%);
  color: #E9EAFE;
  padding: 50px 0 40px;
  margin-top: 60px;
  border-radius: 30px 30px 0 0;
  box-shadow: 0 -8px 24px rgba(15,23,42,0.24);
}

.site-footer h5 {
  color: #ffffff;
  margin-bottom: 12px;
}

.site-footer p {
  font-size: 0.9rem;
}

.site-footer a {
   color: #E0E7FF;
  text-decoration: none;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-copy {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.85rem;
  margin-top: 10px;
}

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

.animated-row {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.6s ease;
}

.animated-row.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 991.98px) {
  .main-heading {
    font-size: 2rem;
  }

  body {
    background:
      radial-gradient(circle at 50% -20%, rgba(255,255,255,0.12), transparent 60%),
      linear-gradient(180deg, #2A2A72 0%, #3B3BA5 50%, #2F3E8F 100%);
  }
}

@media (max-width: 767.98px) {
  .main-heading {
    font-size: 1.7rem;
  }

  .feature-title {
    font-size: 1.6rem;
  }

  .math-btn,
  .math-btn-light {
    width: 80%;
    margin: 10px auto;
  }

  .intro-box,
  .game-card,
  .feature-card {
    border-radius: 20px;
  }

  .game-card::before {
    width: 56px;
    height: 56px;
    top: 10px;
    left: 10px;
  }

  .game-card::after {
    width: 48px;
    height: 48px;
    bottom: 10px;
    right: 10px;
  }

  body {
    background:
      radial-gradient(circle at 50% -20%, rgba(255,255,255,0.12), transparent 60%),
      linear-gradient(180deg, #2A2A72 0%, #3B3BA5 50%, #2F3E8F 100%);
  }
}

#backToTopBtn {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

#backToTopBtn.show {
  opacity: 1;
  pointer-events: auto;
}
#loading-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  
  font-family: "Poppins", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #4338CA;

  background: rgba(255,255,255,0.92);

  border: 2px solid rgba(79, 70, 229, 0.18);

  box-shadow:
    0 8px 20px rgba(79, 70, 229, 0.12);
  padding: 14px 20px;
  border-radius: 12px;

  z-index: 9999;
}