:root {
  --bg: #f4f8ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --primary: #3177ff;
  --primary-dark: #1d55d6;
  --primary-soft: rgba(79, 166, 255, 0.18);
  --secondary: #10223f;
  --text: #10223f;
  --muted: #5f6d89;
  --border: rgba(79, 166, 255, 0.18);
  --shadow-soft: 0 18px 40px rgba(24, 70, 140, 0.12);
  --shadow-strong: 0 24px 70px rgba(24, 70, 140, 0.16);
}

* {
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  line-height: 1.75;
  background: radial-gradient(circle at top, #f8fbff 0%, #eef4ff 40%, #f4f7ff 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

section {
  position: relative;
}

a {
  text-decoration: none;
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 999px;
  transition: all 0.35s ease;
}

button::after,
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.38), transparent 40%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

button:hover::after,
.btn:hover::after {
  opacity: 1;
}

.navbar {
  background: rgba(11, 31, 66, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem 0;
  box-shadow: 0 20px 48px rgba(5, 24, 55, 0.16);
}

.navbar-brand {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: #fff !important;
}

.navbar-logo {
  height: 36px;
  width: auto;
}

.navbar-brand,
.nav-link {
  color: #fff !important;
}

.nav-link {
  position: relative;
  font-weight: 500;
  padding: 0.4rem 0.2rem;
}

.nav-link:hover,
.nav-link.active {
  color: #fff !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  background: linear-gradient(90deg, rgba(79, 178, 255, 1), rgba(20, 105, 255, 0.9));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.22);
}

.navbar-toggler-icon {
  filter: brightness(1.2);
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 5rem;
  background: radial-gradient(circle at top, #eef4ff 0%, #f8fbff 38%, #f4f7ff 100%);
}

.hero-section::before,
.hero-section::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(34px);
  opacity: 0.8;
  pointer-events: none;
}

.hero-section::before {
  width: 520px;
  height: 520px;
  top: -160px;
  left: -100px;
  background: radial-gradient(circle, rgba(49, 119, 255, 0.16) 0%, transparent 52%);
  animation: float 16s ease-in-out infinite;
}

.hero-section::after {
  width: 360px;
  height: 360px;
  bottom: -100px;
  right: -60px;
  background: radial-gradient(circle, rgba(79, 166, 255, 0.18), transparent 52%);
  animation: float 13s ease-in-out infinite reverse;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-card,
.about-card,
.service-card,
.app-card,
.feature-box,
.choose-card,
.contact-card,
.training-card,
.payment-notice {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(79, 166, 255, 0.15);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  box-shadow: var(--shadow-soft);
  border-radius: 1.5rem;
}

.hero-card:hover,
.about-card:hover,
.service-card:hover,
.app-card:hover,
.feature-box:hover,
.choose-card:hover,
.contact-card:hover,
.training-card:hover,
.payment-notice:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(79, 166, 255, 0.24);
}

.hero-card,
.app-card,
.training-card {
  overflow: hidden;
}

.hero-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: 0 30px 80px rgba(15, 34, 74, 0.12);
  backdrop-filter: blur(20px);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75), transparent 100%);
  pointer-events: none;
}

.hero-heading {
  font-size: clamp(3rem, 4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: #0b1540;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.hero-lead {
  font-size: 1.08rem;
  color: #4a5b79;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.hero-actions .btn {
  min-width: 170px;
  padding: 1rem 1.6rem;
  font-weight: 700;
  border-radius: 999px;
}

.btn-primary {
  background: linear-gradient(135deg, #1f52d1 0%, #4f9bff 100%);
  color: #fff;
  border: 1px solid transparent;
  box-shadow: 0 24px 60px rgba(31, 82, 209, 0.24);
}

.btn-primary:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 28px 64px rgba(31, 82, 209, 0.32);
}

.btn-primary:focus-visible {
  outline: 2px solid rgba(79, 178, 255, 0.45);
  outline-offset: 3px;
}

.btn-outline-primary {
  color: #1c3d79;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(49, 119, 255, 0.18);
}

.btn-outline-primary:hover {
  background: rgba(79, 166, 255, 0.12);
  color: #174299;
}

.hero-stat {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(79, 166, 255, 0.16);
  border-radius: 1.5rem;
  padding: 1.25rem;
  box-shadow: 0 20px 40px rgba(24, 70, 140, 0.08);
}

.hero-stat h3 {
  font-size: 1.9rem;
  color: #10223c;
}

.hero-stat p {
  color: #63708b;
  margin: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: rgba(79, 166, 255, 0.12);
  color: #1f5095;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.display-6 {
  font-size: clamp(2rem, 2.6vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.display-4,
.display-6 {
  margin-bottom: 1rem;
}

.about-card {
  border: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 247, 255, 0.96) 100%);
}

.about-card-badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 1;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #2350a9;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 18px 40px rgba(24, 70, 140, 0.12);
}

.about-card-img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  border-radius: 1.4rem;
}

.about-pill {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(226, 238, 255, 0.9));
  border: 1px solid rgba(79, 166, 255, 0.18);
  border-radius: 1.25rem;
  padding: 1rem 1.15rem;
  display: inline-flex;
  flex-direction: column;
  min-width: 150px;
  box-shadow: 0 16px 34px rgba(24, 70, 140, 0.08);
}

.about-pill strong {
  color: #1f426e;
  font-size: 1.05rem;
}

.about-pill span {
  color: #576780;
  margin-top: 0.35rem;
  font-size: 0.95rem;
}

.about-feature-list li {
  color: #4f5d72;
  line-height: 1.7;
  padding-left: 0.6rem;
  margin-bottom: 0.85rem;
}

.about-feature-list i {
  min-width: 1.4rem;
  font-size: 1.1rem;
  color: #3177ff;
}

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, #5aa5ff 100%);
  color: #fff;
  font-size: 1.35rem;
  box-shadow: 0 10px 24px rgba(13, 110, 253, 0.2);
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(239, 246, 255, 0.96) 100%);
  border: 1px solid rgba(79, 166, 255, 0.14);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 4px;
  background: linear-gradient(90deg, rgba(49, 119, 255, 1), rgba(79, 166, 255, 0.2));
  border-radius: 999px;
}

.service-card h4 {
  margin-bottom: 1rem;
}

.service-card p {
  color: #5d6b84;
  flex-grow: 0;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #5f6d89;
  font-size: 0.97rem;
  line-height: 1.7;
}

.service-list li::before {
  content: '✓';
  display: grid;
  place-items: center;
  min-width: 24px;
  min-height: 24px;
  border-radius: 50%;
  background: rgba(49, 119, 255, 0.14);
  color: var(--primary);
  font-size: 0.8rem;
  margin-top: 4px;
}

.service-card .btn,
.app-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.app-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(239, 246, 255, 0.95) 100%);
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(79, 166, 255, 0.12), transparent 40%);
  pointer-events: none;
}

.app-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 1.25rem;
  margin-bottom: 1.4rem;
}

.app-card h4 {
  font-size: 1.08rem;
  line-height: 1.45;
  margin-bottom: 0.7rem;
  color: #13254a;
}

.app-card p {
  min-height: 72px;
}

.detail-btn {
  margin-top: 0.9rem;
  border-radius: 999px;
  padding: 0.75rem 1.2rem;
  font-weight: 600;
}

.detail-btn:hover {
  transform: translateY(-1px) scale(1.01);
}

.payment-notice {
  padding: 1.6rem;
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, 0.96);
}

.hero-section .scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  width: 38px;
  height: 58px;
  border: 2px solid rgba(49, 119, 255, 0.35);
  border-radius: 30px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 8px;
  opacity: 0.9;
  z-index: 3;
}

.hero-section .scroll-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(49, 119, 255, 0.9);
  animation: scrollDot 1.6s infinite;
}

@keyframes scrollDot {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(16px);
  }
}

#training .training-image-card {
  position: relative;
  overflow: hidden;
  border-radius: 2rem;
  box-shadow: 0 20px 45px rgba(13, 110, 253, 0.12);
  min-height: 480px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(235, 243, 255, 0.95));
}

#training .training-image-overlay {
  position: absolute;
  left: 1.5rem;
  bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(49, 119, 255, 0.92), rgba(84, 162, 255, 0.96));
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 20px 40px rgba(49, 119, 255, 0.16);
}

#training .training-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(79, 166, 255, 0.16);
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 1.8rem;
}

#training .training-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}

#training .training-card-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(49, 119, 255, 0.14);
  color: var(--primary);
  font-size: 1.4rem;
}

#training .training-card h5 {
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}

#training .training-card p {
  color: #5a647c;
  flex-grow: 1;
}

#training .training-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(79, 166, 255, 0.12);
  border: 1px solid rgba(79, 166, 255, 0.18);
  color: #1f426e;
  font-weight: 600;
}

#training .training-feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

#training .training-feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(79, 166, 255, 0.14);
  border-radius: 1.4rem;
  padding: 1.15rem 1.25rem;
  box-shadow: 0 18px 40px rgba(24, 70, 140, 0.06);
  color: #495567;
  font-size: 0.98rem;
}

#training .training-feature-list i {
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(49, 119, 255, 0.12);
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 3px;
}

.map-placeholder iframe {
  width: 100%;
  min-height: 260px;
  border: 0;
  border-radius: 1.2rem;
}

.form-control {
  border: 1px solid rgba(79, 166, 255, 0.18);
  padding: 1rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 1px rgba(16, 40, 86, 0.05);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
  border-color: rgba(49, 119, 255, 0.65);
  box-shadow: 0 0 0 0.25rem rgba(79, 166, 255, 0.16);
  outline: none;
}

textarea.form-control {
  min-height: 160px;
  resize: vertical;
}

.contact-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(79, 166, 255, 0.14);
}

.footer {
  background: linear-gradient(120deg, #081a39 0%, #102a57 100%);
  color: #e7efff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem 0 2.5rem;
}

.footer .container {
  position: relative;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.footer-brand span {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

.footer-links-group {
  display: grid;
  gap: 0.75rem;
}

.footer-links-group a,
.footer-links a,
.footer-link {
  color: rgba(255, 255, 255, 0.84);
  transition: color 0.25s ease, transform 0.25s ease;
}

.footer-links-group a:hover,
.footer-links a:hover,
.footer-link:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-social {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  margin-top: 1rem;
}

.footer-social .social-link {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
}

.footer-social .social- {
  width: 30px;
  height: 30px;
  object-fit: contain;
}icon

.footer-bottom {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  margin-top: 2rem;
  text-align: center;
}

@media (max-width: 992px) {
  .footer-links-group {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.9rem 0;
  }

  .navbar-brand {
    font-size: 1rem;
  }

  .hero-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .hero-heading {
    font-size: 2.6rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .section-tag {
    margin-bottom: 0.75rem;
  }

  .about-card,
  .hero-card,
  .app-card,
  .contact-card,
  .training-card,
  .payment-notice {
    padding: 1.5rem;
  }

  .service-card .btn,
  .app-card .btn {
    width: 100%;
  }

  .gallery-image {
    min-height: 240px;
    border-radius: 1.2rem;
  }

  .footer {
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }

  .footer-social {
    justify-content: center;
  }

  .footer .row {
    gap: 1.5rem;
  }
}

@media (max-width: 576px) {
  .navbar-nav {
    justify-content: center;
  }

  .hero-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .hero-card,
  .about-card,
  .contact-card,
  .app-card,
  .training-card,
  .payment-notice {
    border-radius: 1.3rem;
  }

  .footer-links-group {
    text-align: center;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(18px);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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