:root {
  --brand-blue: #0d6efd;
  --brand-blue-dark: #0b5ed7;
  --brand-navy: #102a5a;
  --brand-sky: #5aa8ff;
  --brand-surface: #ffffff;
  --brand-surface-alt: #f8fbff;
  --brand-border: #dce7ff;
  --brand-text: #102a5a;
  --brand-muted: #63718d;
  --brand-shadow: 0 18px 45px rgba(16, 42, 90, 0.1);
  --radius: 1.25rem;
  --radius-sm: 0.85rem;
  --transition: 0.28s ease;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--brand-surface-alt);
  color: var(--brand-text);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--brand-blue);
}

a:hover,
button:hover,
.btn:hover {
  color: var(--brand-blue-dark);
}

header {
  background: var(--brand-surface);
}

.navbar {
  padding: 1rem 0;
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.navbar-nav .nav-link {
  color: var(--brand-text);
  font-weight: 500;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--brand-blue);
}

.hero {
  position: relative;
  padding: 4.5rem 0;
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.95) 0%, rgba(79, 141, 255, 0.90) 100%);
  color: #ffffff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 35%), radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.12), transparent 30%);
  pointer-events: none;
}

.hero .container,
.hero .row {
  position: relative;
  z-index: 1;
}

.hero-card,
.info-card,
.feature-card,
.module-card,
.batch-card,
.testimonial-card,
.trainer-card,
.contact-form,
.map-placeholder {
  background: var(--brand-surface);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius);
}

.hero-card {
  box-shadow: var(--brand-shadow);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: clamp(2rem, 2.4vw, 2.8rem);
  line-height: 1.05;
  margin-bottom: 1rem;
  font-weight: 700;
}

.feature-card,
.module-card,
.batch-card,
.testimonial-card,
.trainer-card,
.info-card {
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover,
.module-card:hover,
.batch-card:hover,
.testimonial-card:hover,
.info-card:hover,
.trainer-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(16, 42, 90, 0.09);
  border-color: rgba(13, 110, 253, 0.18);
}

.icon-box {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--brand-blue);
  background: rgba(13, 110, 253, 0.10);
  border-radius: 1rem;
  margin-bottom: 1rem;
}

.batch-card ul,
.module-card ul {
  padding-left: 1rem;
}

.batch-card ul li,
.module-card ul li {
  margin-bottom: 0.75rem;
  color: var(--brand-muted);
}

.map-placeholder {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(13, 110, 253, 0.92), rgba(37, 99, 235, 0.92));
  color: #ffffff;
  text-align: center;
}

.contact-form {
  padding: 2rem;
}

.contact-form .form-control {
  border-radius: 0.95rem;
  border-color: var(--brand-border);
  background: #fbfcff;
}

.contact-form .form-control:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.18);
}

.btn-primary {
  border-radius: 1rem;
  padding: 0.95rem 1.7rem;
  font-weight: 600;
  box-shadow: 0 18px 40px rgba(13, 110, 253, 0.14);
}

.btn-primary:hover {
  background-color: var(--brand-blue-dark);
}

.btn-outline-light {
  border-radius: 1rem;
  border-color: rgba(255, 255, 255, 0.9);
}

.btn-outline-light:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
}

.footer {
  background: var(--brand-navy);
  color: #d9e5ff;
}

.footer a {
  color: #cbd9ff;
  text-decoration: none;
}

.footer a:hover {
  color: #ffffff;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.testimonial-card p {
  color: var(--brand-muted);
}

.trainer-card {
  padding: 2rem;
}

.trainer-card img {
  max-width: 180px;
  margin: 0 auto 1.5rem;
}

.accordion-button {
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  padding: 1rem 1.25rem;
}

.accordion-button:not(.collapsed) {
  color: var(--brand-blue);
  background: rgba(13, 110, 253, 0.08);
}

.accordion-button::after {
  font-size: 1.05rem;
}

.whatsapp-btn {
  position: fixed;
  right: 1rem;
  bottom: 6.5rem;
  z-index: 1050;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 18px 40px rgba(37, 211, 102, 0.22);
}

.whatsapp-btn::before {
  content: "\260E";
  font-size: 1.35rem;
}

.scroll-top-btn {
  position: fixed;
  right: 1rem;
  bottom: 1.4rem;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--brand-blue);
  color: #ffffff;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 34px rgba(13, 110, 253, 0.18);
  cursor: pointer;
  z-index: 1050;
}

.scroll-top-btn:hover {
  background: var(--brand-blue-dark);
}

.py-7 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 991.98px) {
  .hero {
    padding: 3rem 0;
  }

  .hero .row {
    gap: 2rem;
  }
}

@media (max-width: 767.98px) {
  .navbar {
    padding: 0.85rem 0;
  }

  .hero {
    padding: 2.5rem 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .hero-card,
  .feature-card,
  .module-card,
  .batch-card,
  .testimonial-card,
  .trainer-card,
  .contact-form {
    padding: 1.5rem;
  }
}