/* ===== Apex Education - Global Styles ===== */
:root{
  --bg:#ffffff;
  --surface:#f8fafc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --primary:#0b1e3f;       /* deep navy */
  --primary-2:#16305c;
  --accent:#f59e0b;        /* amber */
  --accent-2:#fbbf24;
  --shadow-soft:0 6px 24px -8px rgba(15,23,42,.12);
  --shadow-card:0 14px 40px -14px rgba(15,23,42,.22);
  --shadow-glow:0 0 40px rgba(245,158,11,.35);
  --radius:14px;
  --gradient-hero:linear-gradient(135deg,#0b1e3f 0%, #16305c 60%, #1e3a8a 100%);
  --gradient-light:linear-gradient(180deg,#ffffff 0%, #f1f5f9 100%);
  --gradient-accent:linear-gradient(135deg,#f59e0b 0%, #fbbf24 100%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.font-display{font-family:'Playfair Display',Georgia,serif}

.container{max-width:1240px;margin:0 auto;padding:0 1.25rem}
.section{padding:5rem 0}
@media(max-width:640px){.section{padding:3.5rem 0}}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.6rem;border-radius:10px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
  white-space:nowrap;
}
.btn-lg{padding:1rem 1.9rem;font-size:1rem}
.btn-primary{background:var(--gradient-accent);color:#0b1e3f;box-shadow:var(--shadow-soft)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-light:hover{background:#fff;color:var(--primary)}

/* ===== Navbar ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:'Playfair Display',serif;font-weight:700;font-size:1.35rem;color:var(--primary)}
.brand-logo{width:38px;height:38px;border-radius:10px;background:var(--gradient-hero);display:grid;place-items:center;color:#fbbf24;font-weight:700;box-shadow:var(--shadow-soft)}
.nav-links{display:flex;gap:.25rem;align-items:center}
.nav-links a{padding:.55rem .95rem;border-radius:8px;font-weight:500;color:#334155;transition:color .2s, background .2s;position:relative}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{content:"";position:absolute;left:.95rem;right:.95rem;bottom:.25rem;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{margin-left:.75rem}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--primary);cursor:pointer}
@media(max-width:900px){
  .nav-links{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:1rem;border-bottom:1px solid var(--border);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:.85rem 1rem}
  .nav-toggle{display:block}
  .nav-cta{margin:.5rem 1rem 0}
}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--gradient-light);padding:6rem 0 5rem}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 400px at 90% 10%, rgba(245,158,11,.12), transparent 60%),radial-gradient(600px 300px at 0% 90%, rgba(11,30,63,.08), transparent 60%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.5rem;background:rgba(245,158,11,.12);color:#92400e;padding:.4rem .8rem;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:1.25rem}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.1;color:var(--primary);margin-bottom:1.25rem;font-weight:700}
.hero h1 .accent{background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.1rem;margin-bottom:2rem;max-width:560px}
.hero-actions{display:flex;gap:.85rem;flex-wrap:wrap;margin-bottom:2.5rem}
.hero-meta{display:flex;gap:2rem;flex-wrap:wrap}
.hero-meta div b{display:block;font-family:'Playfair Display',serif;color:var(--primary);font-size:1.6rem}
.hero-meta div span{color:var(--muted);font-size:.9rem}
.hero-art{position:relative;aspect-ratio:1/1;border-radius:24px;background:var(--gradient-hero);overflow:hidden;box-shadow:var(--shadow-card)}
.hero-art::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%, rgba(251,191,36,.35), transparent 55%)}
.hero-art .float{position:absolute;background:#fff;padding:.9rem 1.1rem;border-radius:14px;box-shadow:var(--shadow-card);display:flex;align-items:center;gap:.7rem;animation:float 4s ease-in-out infinite}
.float .dot{width:38px;height:38px;border-radius:10px;background:var(--gradient-accent);display:grid;place-items:center;color:#0b1e3f;font-weight:700}
.float small{display:block;color:var(--muted);font-size:.75rem}
.float b{color:var(--primary)}
.float.a{top:8%;left:-22px;animation-delay:.2s}
.float.b{bottom:14%;right:-18px;animation-delay:1s}
.float.c{bottom:-18px;left:30%;animation-delay:1.8s}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-art{max-width:420px;margin:0 auto}
}

/* ===== Section header ===== */
.s-head{text-align:center;max-width:680px;margin:0 auto 3.5rem}
.s-eyebrow{color:var(--accent);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.85rem;margin-bottom:.8rem}
.s-title{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,3vw,2.5rem);color:var(--primary);margin-bottom:1rem}
.s-sub{color:var(--muted);font-size:1.05rem}

/* ===== Cards grids ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}
@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:2rem;box-shadow:var(--shadow-soft);transition:transform .3s, box-shadow .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.icon-tile{
  width:54px;height:54px;border-radius:12px;background:rgba(245,158,11,.12);color:var(--accent);
  display:grid;place-items:center;margin-bottom:1.25rem;font-size:1.5rem;transition:.3s
}
.card:hover .icon-tile{background:var(--gradient-accent);color:#0b1e3f;box-shadow:var(--shadow-glow)}
.card h3{font-family:'Playfair Display',serif;font-size:1.25rem;color:var(--primary);margin-bottom:.5rem}
.card p{color:var(--muted)}

/* ===== Stats ===== */
.stats{background:var(--gradient-hero);color:#fff;padding:4.5rem 0;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 280px at 80% 20%, rgba(251,191,36,.18), transparent 60%)}
.stats .grid-4{position:relative;text-align:center}
.stat b{display:block;font-family:'Playfair Display',serif;font-size:clamp(2.2rem,4vw,3rem);color:var(--accent-2)}
.stat span{color:rgba(255,255,255,.75)}

/* ===== Testimonials ===== */
.bg-light{background:var(--surface)}
.t-card{position:relative;background:#fff;border-radius:var(--radius);padding:2rem;border:1px solid var(--border);box-shadow:var(--shadow-soft);transition:.3s}
.t-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.t-quote{position:absolute;top:1rem;right:1.25rem;font-size:3rem;color:rgba(245,158,11,.18);font-family:Georgia,serif;line-height:1}
.t-stars{color:var(--accent);margin-bottom:1rem;letter-spacing:2px}
.t-text{color:var(--muted);margin-bottom:1.5rem}
.t-author{display:flex;align-items:center;gap:.85rem}
.t-author img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.t-author b{display:block;color:var(--primary)}
.t-author small{color:var(--accent);font-weight:600}

/* ===== CTA band ===== */
.cta-band{background:var(--gradient-hero);color:#fff;text-align:center;padding:5rem 1rem;position:relative;overflow:hidden}
.cta-band h2{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:1rem}
.cta-band p{color:rgba(255,255,255,.8);max-width:640px;margin:0 auto 2rem}
.cta-actions{display:flex;gap:.85rem;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
footer{background:#0a1729;color:#cbd5e1;padding:4rem 0 1.5rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
footer h4{color:#fff;font-family:'Playfair Display',serif;margin-bottom:1rem;font-size:1.05rem}
footer a{color:#94a3b8;display:block;padding:.25rem 0;transition:color .2s}
footer a:hover{color:var(--accent-2)}
.foot-brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-family:'Playfair Display',serif;font-size:1.3rem;margin-bottom:1rem}
.foot-bottom{border-top:1px solid #1e293b;margin-top:3rem;padding-top:1.25rem;text-align:center;color:#64748b;font-size:.9rem}
.social{display:flex;gap:.5rem;margin-top:.75rem}
.social a{width:36px;height:36px;border-radius:50%;background:#1e293b;display:grid;place-items:center;color:#cbd5e1}
.social a:hover{background:var(--accent);color:#0b1e3f}

/* ===== Teachers ===== */
.teacher{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft);transition:.3s}
.teacher:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.teacher .photo{aspect-ratio:1/1;background:var(--gradient-hero);display:grid;place-items:center;color:#fbbf24;font-family:'Playfair Display',serif;font-size:3rem;font-weight:700;position:relative;overflow:hidden}
.teacher .photo::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%, rgba(251,191,36,.3), transparent 60%)}
.teacher .info{padding:1.5rem}
.teacher h3{font-family:'Playfair Display',serif;color:var(--primary);font-size:1.2rem}
.teacher .role{color:var(--accent);font-weight:600;font-size:.9rem;margin-bottom:.5rem}
.teacher p{color:var(--muted);font-size:.92rem}
.tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.85rem}
.tag{background:rgba(11,30,63,.06);color:var(--primary);font-size:.75rem;padding:.25rem .6rem;border-radius:999px;font-weight:600}

/* ===== Batch / Pricing ===== */
.batch{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-soft);transition:.3s;position:relative}
.batch:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.batch.featured{border-color:var(--accent);box-shadow:var(--shadow-card)}
.batch .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gradient-accent);color:#0b1e3f;font-weight:700;font-size:.75rem;padding:.35rem .85rem;border-radius:999px;letter-spacing:.04em}
.batch h3{font-family:'Playfair Display',serif;color:var(--primary);font-size:1.4rem;margin-bottom:.5rem}
.batch .price{font-family:'Playfair Display',serif;font-size:2rem;color:var(--primary);margin:1rem 0}
.batch .price small{font-size:.9rem;color:var(--muted);font-weight:400}
.batch ul{list-style:none;margin:1.25rem 0}
.batch ul li{padding:.5rem 0;color:#334155;display:flex;gap:.55rem;align-items:flex-start}
.batch ul li::before{content:"✓";color:var(--accent);font-weight:700}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center;box-shadow:var(--shadow-soft);transition:.3s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-soft)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}
label{display:block;font-size:.9rem;font-weight:600;color:var(--primary);margin-bottom:.4rem}
input,select,textarea{
  width:100%;padding:.8rem 1rem;border:1px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:.95rem;color:var(--text);background:#fff;transition:.2s
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.18)}
textarea{resize:vertical;min-height:120px}
.map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft);min-height:420px;border:1px solid var(--border)}
.map iframe{width:100%;height:100%;min-height:420px;border:0;display:block}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media(max-width:900px){.about-grid{grid-template-columns:1fr}}
.about-art{aspect-ratio:4/3;border-radius:24px;background:var(--gradient-hero);position:relative;overflow:hidden;box-shadow:var(--shadow-card)}
.about-art::after{content:"15+";position:absolute;inset:0;display:grid;place-items:center;font-family:'Playfair Display',serif;font-size:6rem;color:rgba(251,191,36,.85);font-weight:700}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
@media(max-width:760px){.values{grid-template-columns:1fr}}

/* ===== Page hero (smaller) ===== */
.page-hero{background:var(--gradient-light);padding:5rem 0 3.5rem;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 260px at 70% 20%, rgba(245,158,11,.1), transparent 60%)}
.page-hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.2rem,4vw,3.2rem);color:var(--primary);margin-bottom:1rem;position:relative}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:1.05rem;position:relative}

/* ===== Animations ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s ease, transform .8s ease}
.reveal.in{opacity:1;transform:none}
.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}
.delay-4{transition-delay:.4s}