/* =========================================================
   Kasi Academy — static site styles
   Palette: rose-400 #fb7185 · pink-500 #ec4899
   ========================================================= */
:root{
  --rose-400:#fb7185;
  --pink-500:#ec4899;
  --rose-50:#fff1f2;
  --rose-100:#ffe4e6;
  --rose-500:#f43f5e;
  --rose-600:#e11d48;
  --pink-50:#fdf2f8;
  --pink-100:#fce7f3;
  --pink-200:#fbcfe8;
  --purple-50:#faf5ff;
  --gray-50:#f9fafb;
  --gray-200:#e5e7eb;
  --gray-300:#d1d5db;
  --gray-400:#9ca3af;
  --gray-500:#6b7280;
  --gray-600:#4b5563;
  --gray-700:#374151;
  --gray-900:#111827;
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);
  --radius:1rem;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Poppins',system-ui,sans-serif;
  color:var(--gray-700);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul{list-style:none}

.container{max-width:80rem;margin:0 auto;padding:0 1rem}
@media(min-width:640px){.container{padding:0 1.5rem}}
@media(min-width:1024px){.container{padding:0 2rem}}

.h-display{font-family:'Playfair Display',serif;font-weight:700;color:var(--gray-900);
  font-size:2.25rem;line-height:1.15;margin-bottom:1.5rem;}
@media(min-width:768px){.h-display{font-size:3rem}}
.h-display.sm{font-size:1.5rem;margin-bottom:1.5rem}

.gradient-text{
  background:linear-gradient(90deg,var(--rose-400),var(--pink-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.muted{color:var(--gray-600)}
.muted.lg{font-size:1.125rem;margin-bottom:2rem;line-height:1.8}
.lead{font-size:1.25rem;color:var(--gray-600);max-width:48rem;margin:0 auto}
.center{text-align:center}
.mt-40{margin-top:2.5rem}

.section{padding:5rem 0}
.bg-white{background:#fff}
.about-bg{background:linear-gradient(135deg,var(--purple-50),var(--pink-50))}
.contact-bg{background:linear-gradient(135deg,var(--gray-50),var(--purple-50))}
.section-head{margin-bottom:3rem}
.section-head.center{text-align:center}

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-block;
  background:linear-gradient(90deg,var(--rose-400),var(--pink-500));
  color:#fff;font-weight:600;
  padding:.75rem 2rem;border-radius:9999px;border:none;cursor:pointer;
  transition:opacity .3s,box-shadow .3s,transform .3s;font-family:inherit;font-size:1rem;
}
.btn-primary:hover{opacity:.95;box-shadow:var(--shadow-lg);transform:translateY(-1px)}
.btn-primary.full{width:100%;text-align:center}

/* ---------- Header / Nav ---------- */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:50;
  transition:background .3s,box-shadow .3s;
  background:transparent;
}
.header.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:var(--shadow-lg)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:52px;width:auto}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-weight:500;color:var(--gray-700);transition:color .3s}
.header:not(.scrolled) .nav-links a{color:var(--gray-900)}
.nav-links a:not(.nav-cta):hover{color:var(--rose-500)}
.nav-cta{color:#fff !important;padding:.5rem 1.4rem}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{display:block;width:26px;height:3px;background:var(--gray-900);border-radius:2px;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

@media(max-width:900px){
  .hamburger{display:flex}
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(8px);
    flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;
    box-shadow:var(--shadow-lg);transition:max-height .35s ease;
  }
  .nav-links.open{max-height:420px;padding:.5rem 0 1.25rem}
  .nav-links a{width:100%;padding:.9rem 1.5rem;color:var(--gray-700)}
  .nav-cta{margin:.5rem 1.5rem 0;width:calc(100% - 3rem);text-align:center}
}

/* ---------- Hero ---------- */
.hero{padding-top:0}
.hero-banner img{width:100%;object-fit:cover}
.desktop-only{display:block}
.mobile-only{display:none}
@media(max-width:768px){
  .desktop-only{display:none}
  .mobile-only{display:block}
}

/* ---------- Courses ---------- */
.course-cats{
  display:grid;grid-template-columns:repeat(1,1fr);gap:1.5rem;margin-top:1rem;
}
@media(min-width:640px){.course-cats{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.course-cats{grid-template-columns:repeat(5,1fr)}}
.cat-card{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:1.5rem;display:flex;flex-direction:column;align-items:center;cursor:pointer;
  transition:transform .3s,box-shadow .3s;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}
.cat-thumb{width:100%;height:10rem;border-radius:.75rem;overflow:hidden;margin-bottom:1rem;
  border:2px solid var(--pink-100);background:var(--gray-50)}
.cat-thumb img{width:100%;height:100%;object-fit:cover}
.cat-card h3{font-family:'Playfair Display',serif;font-size:1.25rem;color:var(--gray-900);text-align:center;margin-bottom:.25rem}
.cat-desc{font-size:.875rem;color:var(--gray-500);text-align:center}
.cat-count{margin-top:.5rem;background:var(--rose-50);color:var(--rose-600);
  padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600}
.cat-tap{color:var(--gray-600);font-size:.875rem;text-align:center;padding-top:.5rem}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr;gap:4rem;align-items:center}
@media(min-width:1024px){.about-grid{grid-template-columns:1fr 1fr}}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.about-col{display:flex;flex-direction:column;gap:1.5rem}
.about-col.push{margin-top:3rem}
.brand-tag{font-family:'Playfair Display',serif;font-size:1.5rem;font-weight:700}
.stat-card{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-lg);text-align:center}
.stat-num{font-size:1.875rem;font-weight:700;margin-bottom:.5rem;font-family:'Poppins',sans-serif}
.about-img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%}

.stat-row{margin-top:5rem;display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
@media(min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat-item{text-align:center}
.stat-icon{width:4rem;height:4rem;margin:0 auto 1rem;border-radius:9999px;
  background:linear-gradient(135deg,var(--rose-400),var(--pink-500));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.6rem}

/* ---------- Portfolio ---------- */
.filter-tabs{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:3rem}
.tab{padding:.75rem 1.5rem;border-radius:9999px;font-weight:600;cursor:pointer;
  background:#fff;color:var(--gray-600);border:1px solid var(--gray-200);
  transition:all .3s;font-family:inherit;font-size:1rem}
.tab:hover{color:var(--rose-500);border-color:var(--rose-300,#fda4af)}
.tab.active{background:linear-gradient(90deg,var(--rose-400),var(--pink-500));color:#fff;border-color:transparent;box-shadow:var(--shadow-lg)}
.portfolio-grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:768px){.portfolio-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.portfolio-grid{grid-template-columns:repeat(3,1fr)}}
.pf-item{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  position:relative;transition:transform .3s,box-shadow .3s}
.pf-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}
.pf-item img{width:100%;height:22rem;object-fit:cover;transition:transform .5s}
.pf-item:hover img{transform:scale(1.05)}

/* ---------- Testimonials ---------- */
.testimonial-grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:768px){.testimonial-grid{grid-template-columns:repeat(3,1fr)}}
.t-card{background:#fff;border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-lg);
  transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.t-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}
.t-stars{color:#fbbf24;margin-bottom:1rem;font-size:1.1rem}
.t-quote{color:var(--gray-600);font-style:italic;margin-bottom:1.5rem;flex:1}
.t-name{font-weight:600;color:var(--gray-900)}
.t-role{font-size:.875rem;color:var(--rose-500)}
.t-company{font-size:.875rem;color:var(--gray-500)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:4rem}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact-cards{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-bottom:3rem}
@media(min-width:768px){.contact-cards{grid-template-columns:1fr 1fr}}
.contact-card{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-lg);
  transition:transform .3s}
.contact-card:hover{transform:translateY(-4px)}
.c-icon{width:3rem;height:3rem;border-radius:9999px;
  background:linear-gradient(135deg,var(--rose-400),var(--pink-500));color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:1rem}
.contact-card h3{color:var(--gray-900);font-size:1.125rem;margin-bottom:.5rem;font-weight:600}
.contact-card p{margin-bottom:.25rem}
.follow-card,.form-card{background:#fff;border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-lg)}
.socials{display:flex;gap:1rem;margin-bottom:1.5rem}
.social{width:3rem;height:3rem;border-radius:9999px;color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;font-weight:700;transition:box-shadow .3s,transform .3s}
.social:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.social.rose{background:linear-gradient(135deg,var(--rose-400),var(--pink-500))}
.social.blue{background:linear-gradient(135deg,#60a5fa,#3b82f6)}

/* ---------- Forms ---------- */
.form{display:flex;flex-direction:column;gap:1.5rem}
.form-row{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:768px){.form-row{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column}
.field label{font-size:.875rem;font-weight:500;color:var(--gray-700);margin-bottom:.5rem}
.form input,.form textarea{
  width:100%;padding:.75rem 1rem;border:1px solid var(--gray-300);border-radius:.5rem;
  font-family:inherit;font-size:1rem;color:var(--gray-700);transition:border-color .2s,box-shadow .2s;
}
.form input:focus,.form textarea:focus{outline:none;border-color:transparent;box-shadow:0 0 0 2px var(--rose-500)}
.enroll-form input,.enroll-form textarea{border-color:var(--pink-200)}
.enroll-form textarea{min-height:90px}
.form-note{text-align:center;color:var(--gray-600);font-size:.95rem}

/* ---------- Footer ---------- */
.footer{background:#000;color:#fff;padding:1.5rem 0}
.footer-top{display:flex;flex-direction:column;gap:1rem;align-items:center;justify-content:space-between;
  max-width:80rem;margin:0 auto;padding:0 2rem}
@media(min-width:768px){.footer-top{flex-direction:row}}
.footer-logo{height:5rem;width:auto}
.footer-links{display:flex;gap:1rem;justify-content:center;align-items:center;padding:1rem 0;flex-wrap:wrap}
.footer-links a{color:#d1d5db;font-size:.9rem;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-links span{color:#6b7280}
.footer-copy{text-align:center;padding-top:.5rem}
.footer-copy span{color:var(--gray-400);font-size:.9rem}

/* ---------- WhatsApp Float ---------- */
.wa-float{position:fixed;bottom:1rem;right:1rem;z-index:50;background:#22c55e;color:#fff;
  width:60px;height:60px;border-radius:9999px;box-shadow:var(--shadow-xl);
  display:flex;align-items:center;justify-content:center;transition:transform .3s}
.wa-float:hover{transform:scale(1.1)}

/* ---------- Modals ---------- */
.modal-overlay{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.4);
  display:flex;align-items:flex-start;justify-content:center;padding:0}
.modal-overlay[hidden]{display:none}
.modal-overlay.center-modal{align-items:center}
.modal{background:#fff;width:100%;height:90vh;overflow-y:auto;position:relative;animation:fade .25s ease}
@media(min-width:768px){.modal{border-radius:var(--radius);box-shadow:var(--shadow-xl);height:100vh;max-height:100vh}}
.modal.small{max-width:32rem;height:auto;margin:1rem;border-radius:var(--radius);padding:1.5rem}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.modal-head{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--rose-100);padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.modal-head .h-display{margin:0}
.modal-close{background:none;border:none;font-size:1.75rem;line-height:1;color:var(--gray-400);cursor:pointer;font-weight:700}
.modal-close:hover{color:var(--rose-500)}
.modal-close.abs{position:absolute;top:1rem;right:1rem}
.modal-body{padding:1rem 1.5rem 1.5rem}
.modal-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:768px){.modal-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.modal-grid{grid-template-columns:repeat(3,1fr)}}
.course-card{border:1px solid var(--pink-100);border-radius:.75rem;padding:1.25rem;display:flex;flex-direction:column;gap:1rem;height:100%}
.course-img{width:100%;height:300px;border-radius:.5rem;overflow:hidden;border:2px solid var(--pink-200);background:var(--gray-50)}
.course-img img{width:100%;height:100%;object-fit:cover}
.course-card h4{font-family:'Playfair Display',serif;font-size:1.4rem;color:var(--gray-900)}
.course-sub{color:var(--gray-700);font-weight:500;margin-bottom:.5rem}
.course-card h5{color:var(--rose-500);font-weight:600;margin-bottom:.25rem;margin-top:.5rem}
.course-card ul{list-style:disc;margin-left:1.25rem;color:var(--gray-700);margin-bottom:.5rem}
.course-card ul li{margin-bottom:.15rem}
.course-divider{border-top:1px solid var(--pink-100);margin:.5rem 0}
.enroll-btn{margin-top:auto;background:linear-gradient(90deg,var(--rose-400),var(--pink-500));color:#fff;
  width:100%;text-align:center;padding:.6rem;border-radius:9999px;font-weight:600;font-size:.85rem;border:none;cursor:pointer}
.enroll-btn:hover{opacity:.95}
.enroll-title{margin-bottom:1rem}

/* ---------- Legal pages ---------- */
.legal-hero{padding:7rem 0 2.5rem;background:linear-gradient(135deg,var(--purple-50),var(--pink-50));text-align:center}
.legal-hero .h-display{margin-bottom:.5rem}
.legal-hero p{color:var(--gray-600)}
.legal{padding:3rem 0 4rem;max-width:52rem}
.legal h2{font-family:'Playfair Display',serif;color:var(--gray-900);font-size:1.5rem;margin:2rem 0 .75rem}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--gray-600);margin-bottom:1rem}
.legal ul{list-style:disc;margin:0 0 1rem 1.5rem;color:var(--gray-600)}
.legal ul li{margin-bottom:.4rem}
.legal a{color:var(--rose-500)}
.legal a:hover{text-decoration:underline}
.back-home{display:inline-block;margin-bottom:1.5rem;color:var(--rose-500);font-weight:500}