:root {
  --navy: #1d2b85;
  --navy-dark: #141d5e;
  --green: #2e4a34;
  --green-light: #3f6449;
  --amber: #d97b3f;
  --cream: #fffdf6;
  --kid-green: #e1edd6;
  --bg: #f6f7fb;
  --ink: #111226;
  --muted: #5b5f76;
  --card: #ffffff;
  --border: #e7e8f1;
  --radius: 18px;
  --shadow: 0 20px 45px -20px rgba(29, 43, 133, 0.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

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

a { color: inherit; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5.5rem 0;
}

.section-header {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(29, 43, 133, 0.08);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.section-header p {
  color: var(--muted);
  margin: 0;
  font-size: 1.05rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--navy-dark);
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.main-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.15s ease;
}

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

.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-weight: 700 !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--navy-dark);
}

/* ---------- Hero ---------- */
.hero {
  padding: 4.5rem 0 3rem;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(29,43,133,0.10), transparent 60%),
    radial-gradient(700px 400px at 0% 20%, rgba(46,74,52,0.08), transparent 60%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
  color: var(--navy-dark);
}

.hero h1 span {
  color: var(--green);
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 2rem;
}

.store-badges {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.store-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--navy-dark);
  color: #fff;
  text-decoration: none;
  padding: 0.65rem 1.1rem;
  border-radius: 12px;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 10px 25px -12px rgba(20,29,94,0.55);
}

.store-badge:hover { transform: translateY(-2px); }

.store-badge svg { width: 26px; height: 26px; flex-shrink: 0; }

.store-badge .lines { display: flex; flex-direction: column; line-height: 1.15; }
.store-badge .lines small { font-size: 0.68rem; opacity: 0.8; }
.store-badge .lines strong { font-size: 0.98rem; }

.hero-stats {
  display: flex;
  gap: 2.2rem;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-size: 1.5rem;
  color: var(--navy-dark);
}

.hero-stats div span {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone {
  position: relative;
  z-index: 1;
  width: min(100%, 292px);
  background: linear-gradient(160deg, #1c2030, #0d0f18);
  border-radius: 44px;
  padding: 12px;
  box-shadow:
    0 30px 50px -18px rgba(20, 29, 94, 0.38),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.phone-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 1080 / 2340;
  border-radius: 34px;
  overflow: hidden;
  background: #f5f5f5;
}

.phone-screen picture {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
}

.phone-screen picture.is-active {
  opacity: 1;
  z-index: 1;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.hero-art::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(29,43,133,0.14), transparent 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
}

.app-icon-badge {
  position: absolute;
  z-index: 4;
  bottom: 22px;
  right: -10px;
  width: 58px;
  height: 58px;
  border-radius: 15px;
  box-shadow: 0 10px 22px -8px rgba(20, 29, 94, 0.45), 0 0 0 3px #fff;
}

.app-mark {
  display: block;
  width: min(326px, 100%);
  height: auto;
  aspect-ratio: 1;
  margin: 0 auto 1.25rem;
  border-radius: 74px;
  box-shadow: 0 24px 48px -18px rgba(20, 29, 94, 0.45), 0 0 0 6px #fff;
}

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

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.about-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy-dark);
}

.pillars {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.5rem;
}

.pillar {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.pillar .icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(46, 74, 52, 0.1);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.pillar h4 { margin: 0 0 0.2rem; font-size: 1.02rem; }
.pillar p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* ---------- Story / Mission / Stats ---------- */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  margin-top: 3rem;
}

.story-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.story-card h3 {
  margin: 0 0 0.7rem;
  color: var(--navy-dark);
  font-size: 1.2rem;
}

.story-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.story-card-accent {
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-dark) 100%);
  border-color: transparent;
}

.story-card-accent h3,
.story-card-accent p {
  color: #fff;
}

.story-card-accent strong {
  color: var(--amber);
}

.org-stats {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  text-align: center;
}

.org-stats div {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.3rem 0.8rem;
}

.org-stats strong {
  display: block;
  font-size: 1.7rem;
  color: var(--navy-dark);
}

.org-stats span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Team ---------- */
.team-section { background: #fff; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 320px));
  justify-content: center;
  gap: 1.6rem;
}

.team-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
}

.team-card img {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  margin: 0 auto 1.1rem;
  box-shadow: 0 10px 24px -10px rgba(20, 29, 94, 0.35);
}

.team-card h4 {
  margin: 0 0 0.2rem;
  color: var(--navy-dark);
  font-size: 1.05rem;
}

.team-card .role {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.7rem;
}

.team-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Category tags ---------- */
.category-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 1.3rem;
}

.category-tags span {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Features / screenshots ---------- */
.features-section { background: #fff; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-card picture {
  display: block;
  position: relative;
  margin: 0 auto 1rem;
  width: 100%;
  aspect-ratio: 1080 / 2340;
  overflow: hidden;
  border-radius: 14px;
  background: #eef0f6;
}

.feature-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.feature-card h4 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  color: var(--navy-dark);
}

.feature-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.feature-card.kids {
  background: var(--kid-green);
  border-color: transparent;
}

/* ---------- Courses ---------- */
.courses-section {
  background: var(--navy-dark);
  color: #fff;
  position: relative;
}

.courses-section .section-header p { color: rgba(255,255,255,0.75); }
.courses-section .eyebrow { background: rgba(255,255,255,0.12); color: #fff; }

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.course-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
}

.course-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(217, 123, 63, 0.16);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
  width: fit-content;
}

.course-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}

.course-card p {
  margin: 0 0 1.4rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  flex-grow: 1;
}

.course-card a.btn {
  align-self: flex-start;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  font-size: 0.92rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--green);
  color: #fff !important;
}

.btn-light {
  background: #fff;
  color: var(--navy-dark) !important;
}

.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.4);
  color: #fff !important;
}

/* ---------- Registration form ---------- */
.register-section {
  background: #fff;
}

.register-shell {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: flex-start;
}

.register-info h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin: 0 0 1rem;
  color: var(--navy-dark);
}

.register-info p { color: var(--muted); }

.register-info ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.register-info li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  color: var(--ink);
  font-size: 0.95rem;
}

.register-info li::before {
  content: "✓";
  color: var(--green);
  font-weight: 800;
  flex-shrink: 0;
}

form.register-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field { margin-bottom: 1.1rem; }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--navy-dark);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy);
}

.field textarea { resize: vertical; min-height: 90px; }

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.8rem;
}

.submit-btn {
  width: 100%;
  border: none;
  cursor: pointer;
  background: var(--navy);
  color: #fff;
  padding: 0.85rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
}

.submit-btn:hover { background: var(--navy-dark); }

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}

.form-status.success { color: var(--green); display: block; }
.form-status.error { color: #b42318; display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-brand img { width: 34px; height: 34px; border-radius: 9px; }

.footer-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.footer-links h5 {
  margin: 0 0 0.8rem;
  font-size: 0.85rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links a {
  display: block;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.55rem;
  color: rgba(255,255,255,0.7);
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-inline: auto; }
  .store-badges, .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; }
  .org-stats { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .course-grid { grid-template-columns: 1fr; }
  .register-shell { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 1.2rem 1.5rem; gap: 1.1rem; border-bottom: 1px solid var(--border); align-items: flex-start; display: none; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 3.5rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  .phone-screen picture { transition: none; }
}