:root {
  --blue: #0b2d74;
  --gold: #d4af37;
  --white: #ffffff;
  --light: #f5f8ff;
  --dark: #0f172a;
  --gray: #6b7280;
  --danger: #b91c1c;
  --success: #15803d;
  --shadow: 0 15px 35px rgba(0, 0, 0, 0.08);

  /* google fonts */
  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--light);
  color: #111;
  font-family: var(--font-body);
}

body.nav-open {
  overflow: hidden;
}

section {
  padding: 70px 20px;
}

.container {
  max-width: 1300px;
  margin: auto;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  font-family: var(--font-heading);
}

/* Visible keyboard focus everywhere (accessibility) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

.btn {
  padding: 14px 24px;
  border: none;
  border-radius: 40px;
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: 0.3s;
}

.btn-blue {
  background: var(--blue);
  color: #fff;
}

.btn-gold {
  background: var(--gold);
  color: #111;
}

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

.title {
  font-size: 38px;
  text-align: center;
  color: var(--blue);
  margin-bottom: 15px;
}

.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 35px;
  color: var(--gray);
  font-size: 16px;
}

.rate-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 4px 12px;
  border-radius: 30px;
  background: #eef3ff;
  color: var(--blue);
  font-weight: 700;
}

/* NAVBAR */
header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

nav {
  max-width: 1300px;
  margin: auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand_wrapper {
  display: flex;
  flex-direction: row;
  align-items: center;
  height: 50px;
}

.brand_wrapper .imgLogo {
  width: auto;
  max-height: 115px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.logo {
  font-size: 18px;
  font-weight: 900;
  color: var(--blue);
  cursor: pointer;
}

.logo span {
  color: var(--gold);
}

nav ul.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
}

nav a {
  text-decoration: none;
  color: #111;
  font-weight: 600;
}

.nav-cta-mobile {
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--blue);
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
}

.nav-toggle .icon-close {
  display: none;
  position: relative;
  z-index: 10000;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* MOBILE */
@media (max-width: 950px) {
  nav ul.nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background-color: white;
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 40px 30px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 998;
    overflow-y: auto;
  }
  /* nav ul.nav-links li:last-child {
    justify-self: end;
    align-self: end;
    position: absolute;
    bottom: 50px;
    right: 0;
    left: 0;
    width: 100%;
    text-align: center;
  }
  nav ul.nav-links li:last-child a {
    font-size: 14px;
    color: black;
    opacity: 50%;
    padding: 0 1rem;
    letter-spacing: 1px;
  } */
  nav ul.nav-links li a {
    font-size: 2rem;
    font-weight: 400;
  }

  .nav-links.open {
    transform: translateX(0);
  }
  .nav-cta-mobile {
    display: flex;
  }
  #nav-cta-mobile {
    color: white;
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 1px;
  }

  nav a.nav-cta-desktop {
    display: none;
  }

  nav button.nav-toggle {
    display: flex;
  }

  .two {
    grid-template-columns: 1fr;
  }
  .events-grid {
    grid-template-columns: 1fr;
  }
  .event-card {
    padding: 24px 22px 20px;
  }
}

/* HERO */
.hero {
  min-height: 95vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 40px 20px;
  background:
    linear-gradient(rgba(11, 45, 116, 0.82), rgba(11, 45, 116, 0.82)),
    url("https://images.unsplash.com/photo-1523240795612-9a054b0db644?auto=format&fit=crop&w=1400&q=80");
  background-size: cover;
  background-position: center;
}

/* #heroHeading {
  transition: opacity 0.6s ease tranform 0.6s ease;
}

#heroHeading.fade-out {
  opacity: 0;
  transform: translateY(6px);
} */

.hero-box {
  max-width: 850px;
  animation: fadeUp 1s ease;
}

.hero h1 {
  font-size: 1.5rem;
  margin-bottom: 18px;
  text-align: left;
  letter-spacing: 1px;
}

.hero p {
  font-size: 1rem;
  margin-bottom: 28px;
  opacity: 0.85;
  text-align: left;
}
.actions {
  display: flex;
  justify-content: start;
  gap: 15px;
  flex-wrap: wrap;
}

.actions a {
  letter-spacing: 0.5px;
  font-size: 0.75rem;
}

@media (min-width: 950px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1.25rem;
  }

  .actions a {
    letter-spacing: 1px;
    font-size: 0.95rem;
  }
}

/* ABOUT */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}

.about-lead {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--blue);
  position: sticky;
  top: 110px;
}

.about-pillars {
  display: flex;
  flex-direction: column;
}

.pillar {
  position: relative;
  padding: 26px 0 26px 26px;
  border-top: 1px solid #e2e8f5;
}

.pillar:first-child {
  border-top: none;
  padding-top: 0;
}

.pillar-mark {
  position: absolute;
  left: 0;
  top: 30px;
  width: 4px;
  height: 22px;
  background: var(--gold);
  border-radius: 4px;
}

.pillar:first-child .pillar-mark {
  top: 4px;
}

.pillar h3 {
  color: var(--blue);
  font-size: 19px;
  margin-bottom: 8px;
}

.pillar p {
  color: var(--gray);
  line-height: 1.6;
}

.pillar strong {
  color: var(--dark);
}

@media (max-width: 950px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about-lead {
    position: static;
    font-size: 21px;
  }
}

/* EVENTS */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
}

.event-card {
  background: #fff;
  padding: 28px 26px 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: 0.3s;
}

.event-card:hover {
  transform: translateY(-6px);
}

.event-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.event-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--light);
  color: var(--accent, var(--blue));
  flex-shrink: 0;
}

.event-card-icon svg {
  width: 20px;
  height: 20px;
}

.event-card-head h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dark);
}

.event-card p {
  color: var(--gray);
  font-size: 14.5px;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 20px;
}

.event-card-bar {
  display: block;
  height: 5px;
  border-radius: 30px;
  background: var(--accent, var(--blue));
}

/* TESTIMONIALS */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.testimonial-card {
  background: #fff;
  padding: 30px 28px 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: 0.3s;
}

.testimonial-card:hover {
  transform: translateY(-6px);
}

.testimonial-quote-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--light);
  color: var(--accent, var(--blue));
  margin-bottom: 16px;
}

.testimonial-quote-icon svg {
  width: 20px;
  height: 20px;
}

.testimonial-text {
  font-style: italic;
  color: var(--dark);
  font-size: 16px;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 18px;
}

.testimonial-author {
  font-weight: 700;
  font-size: 14px;
  color: var(--accent, var(--blue));
  margin-bottom: 16px;
}

.testimonial-bar {
  display: block;
  height: 5px;
  border-radius: 30px;
  background: var(--accent, var(--blue));
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: #fff;
  padding: 28px;
  border-radius: 18px;
  box-shadow: var(--shadow);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-6px);
}

.small {
  color: var(--gray);
  font-size: 14px;
  margin-top: 8px;
}

/* COURSE CARDS */
.course-grid {
  margin-bottom: 40px;
}

.course-card h3 {
  color: var(--blue);
  margin-bottom: 16px;
}

.course-card .tier {
  border-top: 1px solid #e5e7eb;
  padding-top: 14px;
  margin-top: 14px;
}

.course-card .tier:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.tier-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.tier-name {
  font-weight: 700;
  font-size: 15px;
}

.tier-price {
  font-weight: 900;
  font-size: 20px;
  color: var(--blue);
}

.tier-schedule {
  color: var(--gray);
  font-size: 14px;
  margin: 8px 0 6px;
}

.session-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
}

.session-tags li {
  padding: 4px 10px;
  border-radius: 30px;
  background: #eef3ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

select:disabled {
  background: #f3f4f6;
  color: var(--gray);
  cursor: not-allowed;
}

.btn-enroll {
  width: 100%;
  text-align: center;
}

.enroll-form {
  max-width: 640px;
  margin: 0 auto;

  /* border: 2px solid red; */
}

/* FORMS */
input,
select,
textarea {
  width: 100%;
  padding: 14px;
  margin-top: 10px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  font-size: 15px;
}

/* input:invalid:not(:placeholder-shown),
select:invalid,
textarea:invalid:not(:placeholder-shown) {
  border-color: var(--danger);
} */

.was-validated input:invalid:not(:focus),
.was-validated select:invalid:not(:focus),
.was-validated textarea:invalid:not(:focus) {
  border-color: var(--danger);
}

label {
  font-weight: 700;
  display: block;
  margin-top: 14px;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-status {
  margin-top: 14px;
  font-weight: 600;
}

.form-status.success {
  color: var(--success);
}
.form-status.error {
  color: var(--danger);
}

/* FOOTER */
footer {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 30px 20px;
  margin-top: 40px;
}

/* ANIM */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}