/* ==========================================================
   Busy Bee Learning Centre — shared styles
   ========================================================== */
:root {
  --blue: #17468f;
  --blue-dark: #0f2f63;
  --blue-soft: #eaf0fa;
  --honey: #f5b324;
  --honey-soft: #fff6e0;
  --ink: #1c2233;
  --text: #4a5168;
  --line: #e6e9f0;
  --bg-soft: #f7f8fb;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px -12px rgba(16, 24, 40, .12);
  --container: 1140px;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: var(--blue); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
strong { color: var(--ink); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: clamp(64px, 8vw, 100px) 0; }
.section--soft { background: var(--bg-soft); }
.center { text-align: center; }
.lead { font-size: 1.1rem; max-width: 620px; }
.center .lead { margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 48px; }
.section-head .lead { margin-bottom: 0; }

.eyebrow {
  display: block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 12px;
}
.accent { color: var(--blue); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 600 1rem/1 var(--font); padding: 15px 26px; border-radius: 12px;
  border: 1.5px solid transparent; cursor: pointer; text-decoration: none;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--blue-dark); }
.btn--honey { background: var(--honey); color: var(--ink); }
.btn--honey:hover { background: #e9a510; }
.btn--outline { background: var(--white); color: var(--ink); border-color: var(--line); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 52px; height: 52px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.12rem; font-weight: 800; color: var(--blue); letter-spacing: -0.01em; }
.brand-text small { font-size: .74rem; font-weight: 600; color: var(--text); letter-spacing: .08em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; font-weight: 600; font-size: .96rem; color: var(--ink); text-decoration: none;
  padding: 8px 14px; border-radius: 8px; transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a.active { color: var(--blue); background: var(--blue-soft); }
.nav-links .btn { padding: 11px 20px; margin-left: 10px; color: var(--white); }
.nav-links .btn:hover { color: var(--white); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--white); cursor: pointer; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  position: absolute; left: 11px; width: 20px; height: 2px; background: var(--ink);
  border-radius: 2px; content: ""; transition: transform .25s, top .25s;
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { left: 0; top: -6px; }
.nav-toggle span::after { left: 0; top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

.nav-links a.btn { display: inline-flex; }

@media (max-width: 920px) {
  .nav-toggle { display: block; flex: none; }
  /* Menu becomes a full-height panel under the header */
  .nav > nav {
    position: absolute; top: 76px; left: 0; right: 0;
    height: calc(100vh - 76px); height: calc(100dvh - 76px);
    background: var(--white); overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  }
  .nav-open .nav > nav {
    opacity: 1; visibility: visible; transform: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 32px; }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links li.nav-cta { border-bottom: 0; }
  .nav-links a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 4px; border-radius: 0; font-size: 1.1rem;
  }
  .nav-links a:not(.btn)::after {
    content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .75rem; color: #9aa3b8;
  }
  .nav-links a.active { background: transparent; color: var(--blue); }
  .nav-links a.active::after { color: var(--blue); }
  .nav-links li:not(.nav-cta) + .nav-cta { margin-top: 24px; }
  .nav-links .nav-cta .btn {
    display: flex; justify-content: center; width: 100%; margin: 0 0 12px;
    padding: 16px 20px; border-radius: 12px; font-size: 1.02rem;
  }
  body.menu-open { overflow: hidden; }
  body.menu-open .wa-float { display: none; }
}

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 8vw, 100px) 0; background: linear-gradient(180deg, var(--blue-soft) 0%, var(--white) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero .lead { margin-bottom: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 28px 0 0; padding: 0; list-style: none; font-size: .95rem; font-weight: 600; color: var(--ink); }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points i { color: var(--blue); }
.hero-media { position: relative; }
.hero-media video { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 24px; box-shadow: 0 30px 60px -30px rgba(15, 47, 99, .45); }
.hero-media .result-tag {
  position: absolute; left: 20px; bottom: 20px; background: var(--white); border-radius: 12px;
  padding: 10px 16px; box-shadow: var(--shadow); font-size: .9rem; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 10px;
}
.hero-media .result-tag i { color: var(--honey); font-size: 1.1rem; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-media { max-width: 440px; }
}

/* ---------- Page hero ---------- */
.page-hero { padding: clamp(56px, 7vw, 88px) 0; background: linear-gradient(180deg, var(--blue-soft) 0%, var(--white) 100%); text-align: center; }
.page-hero h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
.page-hero .lead { margin: 0 auto; }

/* ---------- Trust row ---------- */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { display: flex; align-items: center; gap: 14px; padding: 26px 20px; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item i { color: var(--blue); font-size: 1.3rem; width: 24px; text-align: center; }
.trust-item strong { display: block; font-size: .98rem; }
.trust-item span { font-size: .86rem; }
@media (max-width: 900px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: 0; }
  .trust-item:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item + .trust-item { border-left: 0; border-top: 1px solid var(--line); }
}

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; height: 100%; transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: #d3dbea; box-shadow: var(--shadow); }
.card p { margin: 0; font-size: .96rem; }
.card h3 { margin-bottom: 8px; }
.icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); font-size: 1.2rem; margin-bottom: 20px;
}
.icon--honey { background: var(--honey-soft); color: #b37800; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-weight: 600; font-size: .95rem; text-decoration: none; }
.link-arrow i { font-size: .8rem; transition: transform .2s; }
.link-arrow:hover i { transform: translateX(3px); }

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 72px); align-items: center; }
.split--rev > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split--rev > :first-child { order: 0; } }

.check-list { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-weight: 500; }
.check-list li i { color: var(--blue); margin-top: 6px; font-size: .9rem; }

.media-frame { border-radius: 24px; overflow: hidden; background: var(--bg-soft); }
.media-frame img, .media-frame video { width: 100%; }

.logo-panel {
  background: var(--white); border: 1px solid var(--line); border-radius: 24px;
  padding: clamp(32px, 6vw, 56px); display: grid; place-items: center;
}
.logo-panel img { width: min(320px, 100%); }

/* Program detail visual */
.program-visual {
  border-radius: 24px; background: var(--blue-soft); aspect-ratio: 4 / 3;
  display: grid; place-items: center; text-align: center; padding: 30px;
}
.program-visual i { font-size: 4rem; color: var(--blue); margin-bottom: 16px; }
.program-visual--honey { background: var(--honey-soft); }
.program-visual--honey i { color: #c98a00; }
.program-visual span { display: block; font-weight: 700; color: var(--ink); font-size: 1.2rem; }

/* Skills */
.skills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 820px; margin: 0 auto; }
.skills span {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px;
  border: 1px solid var(--line); border-radius: 999px; font-weight: 600; color: var(--ink); font-size: .95rem; background: var(--white);
}
.skills i { color: var(--blue); font-size: .9rem; }

/* Steps */
.step-num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--honey); color: var(--ink);
  display: grid; place-items: center; font-weight: 800; margin-bottom: 18px;
}

/* ---------- Videos ---------- */
.video-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.video-card video { width: 100%; background: #0f1b33; }
.video-card .v-tall { aspect-ratio: 480 / 864; object-fit: cover; }
.video-card .v-square { aspect-ratio: 1 / 1; object-fit: cover; }
.video-card .meta { padding: 18px 20px 20px; }
.video-card .meta h3 { font-size: 1.05rem; margin-bottom: 4px; }
.video-card .meta p { font-size: .92rem; margin: 0; }
.video-card .label { display: block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: 6px; }
.video-card .label--honey { color: #b37800; }
.video-narrow { max-width: 760px; }

/* ---------- Founders ---------- */
.person { display: grid; grid-template-columns: 300px 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .person { grid-template-columns: 1fr; } }
.person-card {
  border: 1px solid var(--line); border-radius: 20px; padding: 32px 26px; text-align: center; background: var(--white);
  position: sticky; top: 100px;
}
@media (max-width: 900px) { .person-card { position: static; } }
.avatar {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 20px; display: grid; place-items: center;
  font-size: 2.4rem; font-weight: 800; color: var(--blue); background: var(--blue-soft);
}
.avatar--honey { background: var(--honey-soft); color: #b37800; }
.person-card h3 { font-size: 1.35rem; margin-bottom: 2px; }
.person-card .role { font-size: .92rem; color: var(--blue); font-weight: 600; margin-bottom: 18px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.tags span { font-size: .78rem; font-weight: 600; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink); padding: 4px 10px; border-radius: 999px; }
.person-body h3 { margin-top: 36px; font-size: 1.25rem; }
.person-body .role-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; }
.role-list li { display: flex; gap: 12px; align-items: flex-start; }
.role-list li i { color: var(--blue); margin-top: 7px; font-size: .8rem; }

.vm { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
@media (max-width: 640px) { .vm { grid-template-columns: 1fr; } }
.vm > div { border-radius: var(--radius); padding: 26px; background: var(--bg-soft); border: 1px solid var(--line); }
.vm h4 { font-size: 1.05rem; display: flex; gap: 10px; align-items: center; }
.vm h4 i { color: var(--blue); }
.vm p:last-child { margin-bottom: 0; }

.quote {
  margin: 32px 0 0; padding: 28px 32px; border-left: 4px solid var(--honey);
  background: var(--honey-soft); border-radius: 0 var(--radius) var(--radius) 0;
}
.quote p { font-size: 1.3rem; font-weight: 700; color: var(--ink); line-height: 1.4; margin: 0 0 10px; letter-spacing: -0.01em; }
.quote cite { font-style: normal; font-size: .92rem; font-weight: 600; }

.founder-mini { display: flex; gap: 20px; align-items: flex-start; }
.founder-mini .avatar { width: 72px; height: 72px; font-size: 1.4rem; margin: 0; flex: none; }
.founder-mini .role { color: var(--blue); font-weight: 600; font-size: .9rem; margin-bottom: 8px; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 44px 22px 0; position: relative;
  font-weight: 700; color: var(--ink); font-size: 1.03rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .8rem;
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%); color: var(--blue); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(180deg); }
.faq details p { margin: -6px 0 22px; }

/* ---------- CTA ---------- */
.cta {
  border-radius: 24px; padding: clamp(36px, 5vw, 56px); background: var(--blue);
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.cta h2 { color: var(--white); margin-bottom: 6px; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.cta p { color: #c9d6f0; margin: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { display: grid; gap: 12px; margin-top: 28px; }
.contact-item {
  display: flex; gap: 16px; align-items: center; padding: 18px 20px; border: 1px solid var(--line);
  border-radius: 14px; text-decoration: none; color: inherit; transition: border-color .2s; min-width: 0;
}
a.contact-item:hover { border-color: var(--blue); }
.contact-item .icon { margin: 0; flex: none; }
.contact-item .txt { min-width: 0; }
.contact-item strong { display: block; font-size: .95rem; }
.contact-item span { font-size: .92rem; overflow-wrap: anywhere; }

.form-card { border: 1px solid var(--line); border-radius: 20px; padding: clamp(24px, 4vw, 40px); background: var(--white); box-shadow: var(--shadow); }
.form-card h2 { font-size: 1.6rem; margin-bottom: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 600; font-size: .9rem; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .98rem; padding: 12px 14px; border-radius: 10px; border: 1px solid #d7dce6;
  background: var(--white); color: var(--ink); width: 100%; transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23, 70, 143, .15); }
.form-card .btn { width: 100%; margin-top: 4px; }
.form-note { font-size: .85rem; margin: 14px 0 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--blue-dark); color: #b8c6e3; padding: 72px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand-text strong { color: var(--white); }
.site-footer .brand-text small { color: #b8c6e3; }
.site-footer h4 { color: var(--white); font-size: .95rem; margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: #b8c6e3; text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.site-footer .contact-li { display: flex; gap: 10px; overflow-wrap: anywhere; }
.site-footer .contact-li i { color: var(--honey); margin-top: 5px; width: 16px; }
.social-row { display: flex; gap: 10px; margin-top: 20px; }
.social-row a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; color: var(--white); }
.social-row a:hover { background: var(--honey); color: var(--ink); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 56px; padding: 22px 0; font-size: .86rem; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

section[id] { scroll-margin-top: 90px; }

/* ---------- WhatsApp + student panel ---------- */
.btn--wa { background: #25d366; color: #fff; }
.btn--wa:hover { background: #1ebe5b; }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn--ghost-light:hover { border-color: #fff; }
.icon--wa { background: #e6f9ee; color: #1a9e4b; }
@media (min-width: 921px) { .nav-links .nav-cta .btn { margin-left: 6px; } }
.nav-links .btn--outline { color: var(--ink); }
.nav-links .btn--outline:hover { color: var(--blue); }
@media (max-width: 1080px) and (min-width: 921px) {
  .nav-links a { padding: 8px 10px; }
  .nav-links .btn { padding: 11px 14px; }
}
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff; display: grid; place-items: center; font-size: 1.7rem; text-decoration: none;
  box-shadow: 0 10px 24px -8px rgba(0,0,0,.35); transition: transform .2s;
}
.wa-float:hover { transform: scale(1.06); }

/* ---------- Student panel highlight ---------- */
.btn--student {
  background: var(--honey); color: var(--ink); font-weight: 700;
  box-shadow: 0 0 0 3px rgba(245, 179, 36, .28);
}
.btn--student:hover { background: #e9a510; }
.nav-links a.btn--student, .nav-links a.btn--student:hover { color: var(--ink); }
.nav-links a.btn--student i { font-size: 1.05em; }

.student-band-wrap { padding: 40px 0 0; }
.student-band {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  background: var(--honey-soft); border: 1.5px solid #f7d88a; border-radius: 20px; padding: 22px 26px;
}
.sb-icon {
  width: 56px; height: 56px; border-radius: 14px; background: var(--honey); color: var(--ink);
  display: grid; place-items: center; font-size: 1.5rem; flex: none;
}
.sb-text { flex: 1 1 260px; }
.sb-text strong { display: block; font-size: 1.15rem; }
.sb-text span { font-size: .95rem; }
@media (max-width: 560px) { .student-band .btn { width: 100%; } }

.site-footer a.footer-student { color: var(--honey); font-weight: 700; }
.site-footer a.footer-student:hover { color: #ffd46b; }