:root {
  --yellow: #F5E642;
  --navy: #1B3A6B;
  --teal: #2A9D8F;
  --teal-l: #3bbcad;
  --white: #ffffff;
  --gray: #f5f6f8;
  --text: #1a2a3a;
  --muted: #5a6a7a;
  --border: #e4e8ee;
  --shadow: 0 2px 12px rgba(27, 58, 107, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Nunito", sans-serif;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 3px solid var(--yellow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  height: 62px;
  box-shadow: 0 1px 8px rgba(27, 58, 107, 0.06);
}

.nav-logo { height: 52px; }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--muted);
  transition: color 0.2s;
}

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

.nav-contact {
  background: var(--navy);
  color: var(--yellow) !important;
  padding: 0.38rem 1rem;
  border-radius: 6px;
  font-weight: 700 !important;
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--navy);
  cursor: pointer;
}

/* LAYOUT */
.sec { padding: 64px 5vw; }
.sec-gray { padding: 64px 5vw; background: var(--gray); }
.inner { max-width: 960px; margin: 0 auto; }

.label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.6rem;
  display: block;
}

h2 {
  font-family: "Baloo 2", cursive;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 0.6rem;
}

.sub {
  font-size: 0.96rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 1.8rem;
}

.divider { height: 1px; background: var(--border); margin: 0; }

/* HERO */
.hero {
  padding: 100px 5vw 64px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 230, 66, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 1rem;
  display: block;
}

.hero h1 {
  font-family: "Baloo 2", cursive;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 0.9rem;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.72;
  margin-bottom: 1.6rem;
  max-width: 460px;
}

.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.btn-main {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  background: var(--yellow);
  color: var(--navy);
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.92rem;
  transition: opacity 0.2s;
}

.btn-main:hover { opacity: 0.88; }

.btn-ghost {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

/* Hero right card */
.hero-info-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.6rem;
}

.hero-info-card img {
  height: 38px;
  margin-bottom: 1.3rem;
  opacity: 0.85;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
}

.info-row:last-child { border-bottom: none; }
.info-ico { font-size: 1rem; flex-shrink: 0; width: 20px; text-align: center; }
.info-row strong { color: rgba(255, 255, 255, 0.9); font-weight: 700; }

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  font-size: 0.96rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.cred-list { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.5rem; }

.cred-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.95rem;
  background: var(--gray);
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text);
  border-left: 3px solid var(--teal);
}

/* APPROACH */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.approach-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1.3rem 1.4rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.approach-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow);
}

.approach-card h3 {
  font-family: "Baloo 2", cursive;
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.approach-card p { font-size: 0.84rem; color: var(--muted); line-height: 1.6; }

/* PROGRAMS */
.programs-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.program-main {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  border-top: 4px solid var(--yellow);
}

.program-main h3 {
  font-family: "Baloo 2", cursive;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.program-main .grade {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 0.85rem;
  display: block;
}

.program-main p { font-size: 0.9rem; color: var(--muted); line-height: 1.68; margin-bottom: 1rem; }

.topic-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.topic {
  background: var(--gray);
  border-radius: 6px;
  padding: 0.18rem 0.65rem;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--navy);
}

.program-session {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.programs-side { display: flex; flex-direction: column; gap: 1rem; }

.program-coming {
  background: var(--gray);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1.3rem 1.4rem;
}

.program-coming h4 {
  font-family: "Baloo 2", cursive;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.soon-tag {
  font-size: 0.65rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--navy);
  color: var(--yellow);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
}

.program-coming p { font-size: 0.82rem; color: var(--muted); line-height: 1.55; }

/* HOW */
.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.steps { display: flex; flex-direction: column; gap: 0.75rem; }

.step { display: flex; gap: 1rem; align-items: flex-start; }

.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Baloo 2", cursive;
  font-weight: 800;
  font-size: 0.88rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.step h4 {
  font-family: "Baloo 2", cursive;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.15rem;
}

.step p { font-size: 0.84rem; color: var(--muted); line-height: 1.58; }

.how-note {
  background: var(--gray);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
}

.how-note h3 {
  font-family: "Baloo 2", cursive;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.how-note p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.68;
  margin-bottom: 0.8rem;
}

.how-note p:last-child { margin-bottom: 0; }

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-card {
  background: var(--gray);
  border-radius: 14px;
  padding: 1.8rem;
}

.contact-card h3 {
  font-family: "Baloo 2", cursive;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.1rem;
}

.contact-line {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 600;
}

.contact-line:last-child { border-bottom: none; }
.contact-line .ico { font-size: 1.1rem; flex-shrink: 0; }
.contact-line a { color: var(--navy); }
.contact-line a:hover { color: var(--teal); }

.location-note {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
}

.location-note h3 {
  font-family: "Baloo 2", cursive;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.8rem;
}

.location-note p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0.7rem;
}

.location-note p:last-child { margin-bottom: 0; }

/* FOOTER */
footer { background: #0f1c30; padding: 1.6rem 5vw; }

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { height: 36px; }

.footer-info {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.32);
  line-height: 1.7;
}

.footer-info strong { color: rgba(255, 255, 255, 0.48); }
.footer-info a { color: var(--teal-l); }

/* RESPONSIVE */
@media (max-width: 800px) {
  .hero-inner,
  .about-grid,
  .how-grid,
  .contact-grid,
  .programs-layout {
    grid-template-columns: 1fr;
  }

  .hero-info-card { display: none; }
  .hero-actions { justify-content: flex-start; }
  .footer-inner { flex-direction: column; text-align: center; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
}

@media (max-width: 540px) {
  .sec, .sec-gray { padding: 48px 5vw; }
  .hero { padding: 88px 5vw 48px; }
}