/* ===================================================================
   Smart Kids Study Circle — Design System
   Concept: the abacus bead — every child's first counting tool.
   Rows of beads become the structural motif: nav underline, dividers,
   stat counters, and the hero itself render as sliding bead rows.
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Work+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root{
  --navy:      #16213E;
  --paper:     #F7F4EE;
  --marigold:  #F4A300;
  --teal:      #1B998B;
  --coral:     #FF6B6B;
  --ink:       #23283A;
  --ink-soft:  #5A5F72;
  --line:      #E4DFD2;
  --white:     #FFFFFF;

  --display: 'Fraunces', serif;
  --body: 'Work Sans', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --max: 1120px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 24px; }

h1,h2,h3,h4{ font-family:var(--display); color:var(--navy); line-height:1.15; font-weight:700; }
h1{ font-size:clamp(2.2rem, 5vw, 3.6rem); }
h2{ font-size:clamp(1.7rem, 3.4vw, 2.5rem); }
h3{ font-size:1.3rem; }
p{ color:var(--ink-soft); }
.eyebrow{
  font-family:var(--mono); font-weight:700; font-size:.72rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--teal);
  display:inline-flex; align-items:center; gap:8px; margin-bottom:14px;
}
.eyebrow::before{ content:''; width:18px; height:2px; background:var(--marigold); display:inline-block; }

/* ---------- Bead row divider — the signature element ---------- */
.bead-row{
  display:flex; gap:10px; align-items:center; margin:0 0 18px 0;
}
.bead-row span{
  width:12px; height:12px; border-radius:50%;
  background:var(--line);
}
.bead-row span.on:nth-child(1){ background:var(--marigold); }
.bead-row span.on:nth-child(2){ background:var(--teal); }
.bead-row span.on:nth-child(3){ background:var(--coral); }
.bead-row span.on:nth-child(4){ background:var(--navy); }

/* ---------- Header ---------- */
header.site{
  position:sticky; top:0; z-index:70;
  background:rgba(247,244,238,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px; max-width:var(--max); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{
  width:36px; height:36px; border-radius:9px; background:var(--navy);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.brand-mark svg{ width:20px; height:20px; }
.brand-name{ font-family:var(--display); font-weight:700; font-size:1.15rem; color:var(--navy); }
.brand-name em{ font-style:normal; color:var(--teal); }

.nav-links{ display:flex; gap:30px; align-items:center; }
.nav-links a{
  font-weight:600; font-size:.95rem; color:var(--ink);
  position:relative; padding-bottom:4px;
}
.nav-links a:hover{ color:var(--teal); }
.nav-cta{
  background:var(--marigold); color:var(--navy)!important; font-weight:700;
  padding:10px 20px; border-radius:99px; font-size:.9rem;
}
.nav-cta:hover{ background:var(--navy); color:var(--white)!important; }
.nav-toggle{ display:none; background:none; border:0; cursor:pointer; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--navy); margin:5px 0; transition:transform .25s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

@media(max-width:840px){
  .nav-toggle{ display:block; }
  .nav-links{
    position:fixed; top:0; left:0; right:0; bottom:0; height:100vh; background:var(--navy);
    flex-direction:column; align-items:stretch; gap:0;
    justify-content:flex-start;
    transform:translateX(100%); opacity:0;
    transition:transform .25s ease, opacity .2s ease;
    z-index:60; overflow-y:auto;
  }
  .nav-links.open{ transform:translateX(0); opacity:1; }
  .nav-links a{ padding:18px 26px; width:100%; border-bottom:1px solid rgba(255,255,255,.12); font-size:1.02rem; color:var(--white); }
  .nav-links a:hover{ color:var(--marigold); }
  .nav-cta{ margin:20px 26px; text-align:center; }
}

/* ---------- Hero ---------- */
.hero{ padding:64px 0 40px; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
@media(max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }

.hero h1{ margin-bottom:20px; }
.hero h1 .hl{ color:var(--teal); }
.hero p.lead{ font-size:1.15rem; max-width:46ch; margin-bottom:28px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px; border-radius:99px; font-weight:700; font-size:.95rem;
  border:2px solid transparent; cursor:pointer;
}
.btn-primary{ background:var(--navy); color:var(--white); }
.btn-primary:hover{ background:var(--teal); }
.btn-ghost{ border-color:var(--navy); color:var(--navy); }
.btn-ghost:hover{ background:var(--navy); color:var(--white); }

.hero-stats{ display:flex; gap:34px; flex-wrap:wrap; }
.stat b{ display:block; font-family:var(--mono); font-size:1.8rem; color:var(--navy); }
.stat span{ font-size:.82rem; color:var(--ink-soft); }

/* ---------- Abacus visual ---------- */
.abacus{
  background:var(--navy); border-radius:22px; padding:34px 28px;
  box-shadow:0 24px 50px -20px rgba(22,33,62,.45);
}
.abacus-row{ display:flex; align-items:center; gap:14px; margin-bottom:22px; }
.abacus-row:last-child{ margin-bottom:0; }
.abacus-label{ font-family:var(--mono); font-size:.72rem; color:#8B93B0; width:74px; flex-shrink:0; }
.wire{ position:relative; flex:1; height:2px; background:#2E3A5C; display:flex; gap:8px; }
.wire .bead{
  width:26px; height:26px; border-radius:50%; margin-top:-12px;
  box-shadow:inset 0 -4px 6px rgba(0,0,0,.2), 0 2px 4px rgba(0,0,0,.3);
  animation:slide 3.4s ease-in-out infinite;
}
.wire.r1 .bead{ background:var(--marigold); }
.wire.r2 .bead{ background:var(--teal); }
.wire.r3 .bead{ background:var(--coral); }
.wire.r4 .bead{ background:#EDE7D6; }
.wire .bead:nth-child(2){ animation-delay:.15s; }
.wire .bead:nth-child(3){ animation-delay:.3s; }
@keyframes slide{
  0%,100%{ transform:translateX(0); }
  50%{ transform:translateX(18px); }
}
@media(prefers-reduced-motion:reduce){ .wire .bead{ animation:none; } }

/* ---------- Sections ---------- */
section{ padding:70px 0; }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.bg-navy{ background:var(--navy); color:var(--white); }
.bg-navy h2{ color:var(--white); }
.bg-navy p{ color:#B9BFD6; }
.bg-navy .card h3{ color:var(--navy); }
.bg-navy .card p{ color:var(--ink-soft); }

/* ---------- Course cards ---------- */
.grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media(max-width:900px){ .grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:600px){ .grid{ grid-template-columns:1fr; } }

.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 26px; transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:0 20px 34px -22px rgba(22,33,62,.3); }
.card .num{ font-family:var(--mono); color:var(--marigold); font-weight:700; font-size:.85rem; }
.card h3{ margin:10px 0 10px; }
.card p{ font-size:.95rem; }
.card a.more{ display:inline-block; margin-top:14px; font-weight:700; color:var(--teal); font-size:.9rem; }

/* ---------- Why us / features ---------- */
.feature-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px 40px; }
@media(max-width:700px){ .feature-list{ grid-template-columns:1fr; } }
.feature{ display:flex; gap:16px; }
.feature .ico{
  width:44px; height:44px; border-radius:12px; background:var(--marigold);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.feature .ico svg{ width:22px; height:22px; }
.feature h4{ font-family:var(--display); color:var(--navy); margin-bottom:4px; }
.feature p{ font-size:.93rem; }

/* ---------- Testimonials ---------- */
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media(max-width:900px){ .testi-grid{ grid-template-columns:1fr; } }
.testi{
  background:var(--white); border-radius:var(--radius); padding:28px;
  border:1px solid var(--line); position:relative;
}
.testi .quote-mark{ font-family:var(--display); font-size:2.6rem; color:var(--marigold); line-height:1; }
.testi p.txt{ color:var(--ink); font-size:.96rem; margin:10px 0 16px; }
.testi .who{ font-weight:700; color:var(--navy); font-size:.9rem; }
.testi .role{ font-size:.8rem; color:var(--ink-soft); }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--teal); border-radius:24px; padding:54px 40px;
  display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap;
}
.cta-band h2{ color:var(--white); margin-bottom:6px; }
.cta-band p{ color:#DFF4F0; }
.cta-band .btn-primary{ background:var(--navy); }

/* ---------- Footer ---------- */
footer{ background:var(--navy); color:#B9BFD6; padding:56px 0 26px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-bottom:40px; }
@media(max-width:700px){ .foot-grid{ grid-template-columns:1fr; } }
footer h4{ color:var(--white); font-family:var(--display); margin-bottom:14px; }
footer li{ margin-bottom:9px; font-size:.92rem; }
footer a:hover{ color:var(--marigold); }
.foot-bottom{
  border-top:1px solid #2E3A5C; padding-top:22px; font-size:.82rem;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding:52px 0 20px; }
.page-hero .eyebrow{ margin-bottom:12px; }
.breadcrumb{ font-size:.85rem; color:var(--ink-soft); margin-bottom:18px; }
.breadcrumb a{ color:var(--teal); font-weight:600; }

/* ---------- Course detail blocks ---------- */
.course-block{ padding:50px 0; border-top:1px solid var(--line); }
.course-block .inner{ display:grid; grid-template-columns:.9fr 1.1fr; gap:44px; align-items:start; }
@media(max-width:840px){ .course-block .inner{ grid-template-columns:1fr; } }
.course-block ul.points li{
  padding-left:26px; position:relative; margin-bottom:10px; color:var(--ink-soft); font-size:.95rem;
}
.course-block ul.points li::before{
  content:''; position:absolute; left:0; top:8px; width:9px; height:9px;
  border-radius:50%; background:var(--marigold);
}
.tag-row{ display:flex; gap:8px; flex-wrap:wrap; margin-top:16px; }
.tag{
  font-family:var(--mono); font-size:.72rem; background:var(--paper); border:1px solid var(--line);
  padding:5px 12px; border-radius:99px; color:var(--ink-soft);
}

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:44px; }
@media(max-width:840px){ .contact-grid{ grid-template-columns:1fr; } }
.info-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; margin-bottom:18px;
}
.info-card h4{ margin-bottom:8px; }
.info-card a{ color:var(--teal); font-weight:600; }
.map-embed{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); }
.map-embed iframe{ width:100%; height:100%; min-height:340px; border:0; display:block; }

form.enquiry{ display:flex; flex-direction:column; gap:14px; }
form.enquiry input, form.enquiry select, form.enquiry textarea{
  padding:13px 16px; border:1.5px solid var(--line); border-radius:10px;
  font-family:var(--body); font-size:.95rem; background:var(--white); color:var(--ink);
}
form.enquiry label{ font-size:.82rem; font-weight:700; color:var(--navy); margin-bottom:-8px; }
form.enquiry button{ margin-top:6px; }

/* ---------- About / Teacher credibility block ---------- */
.about-teacher{
  display:flex; gap:22px; align-items:flex-start;
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 28px; margin-bottom:40px;
}
.about-teacher-photo{
  width:140px; height:140px; border-radius:50%; object-fit:cover; flex-shrink:0;
  border:4px solid var(--marigold);
}
.about-teacher p{ font-size:.95rem; }
@media(max-width:640px){ .about-teacher{ flex-direction:column; align-items:flex-start; } }

/* ---------- FAQ Accordion ---------- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; text-align:left; background:none; border:0; cursor:pointer;
  padding:20px 4px; display:flex; justify-content:space-between; align-items:center;
  font-family:var(--display); font-weight:600; font-size:1.05rem; color:var(--navy);
}
.faq-q span{ font-family:var(--body); font-size:1.4rem; color:var(--marigold); transition:transform .25s ease; flex-shrink:0; margin-left:16px; }
.faq-item.open .faq-q span{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.faq-a p{ padding:0 4px 20px; font-size:.94rem; }
.faq-item.open .faq-a{ max-height:220px; }

/* ---------- Back to top ---------- */
.back-top{
  position:fixed; bottom:22px; left:22px; z-index:100;
  width:46px; height:46px; border-radius:50%;
  background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 24px -6px rgba(0,0,0,.35);
  opacity:0; pointer-events:none; transition:opacity .25s ease, transform .2s ease;
}
.back-top.show{ opacity:1; pointer-events:auto; }
.back-top:hover{ transform:translateY(-3px); }
.back-top svg{ width:20px; height:20px; }

/* ---------- Floating WhatsApp button ---------- */
.wa-float{
  position:fixed; bottom:22px; right:22px; z-index:100;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 24px -6px rgba(0,0,0,.4);
  transition:transform .2s ease;
}
.wa-float:hover{ transform:scale(1.08); }
.wa-float svg{ width:30px; height:30px; }

/* ---------- Achievements gallery ---------- */
.masonry{
  column-count:3; column-gap:18px;
}
@media(max-width:900px){ .masonry{ column-count:2; } }
@media(max-width:560px){ .masonry{ column-count:1; } }
.masonry figure{
  break-inside:avoid; margin:0 0 18px; background:var(--white);
  border-radius:var(--radius); overflow:hidden; border:1px solid var(--line);
}
.masonry img{ width:100%; display:block; }
.masonry figcaption{
  padding:12px 14px; font-size:.82rem; color:var(--ink-soft); font-weight:500;
}
.achieve-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
@media(max-width:800px){ .achieve-strip{ grid-template-columns:repeat(2,1fr); } }
.achieve-strip a{ display:block; border-radius:12px; overflow:hidden; border:1px solid var(--line); }
.achieve-strip img{ width:100%; height:150px; object-fit:cover; display:block; transition:transform .3s ease; }
.achieve-strip a:hover img{ transform:scale(1.06); }