*{box-sizing:border-box;margin:0;padding:0}
:root{
  --pine:#1B5E3F;
  --pine-dark:#0F4028;
  --pine-light:#2D7551;
  --navy:#0F2A3F;
  --navy-light:#1B3D5C;
  --sky:#4A90B8;
  --sky-light:#7AB8D8;
  --cream:#FAFBFD;
  --white:#FFFFFF;
  --slate:#5A6B7C;
  --slate-light:#8B97A3;
  --gray-50:#F7F9FB;
  --gray-100:#EDF1F5;
  --gray-200:#D9E0E6;
  --gray-300:#B8C3CD;
  --gold:#C4A661;
  --gold-light:#D4B776;
}
html{scroll-behavior:smooth}
body{font-family:'Prompt','Sarabun',sans-serif;color:var(--navy);line-height:1.6;background:var(--white)}
h1,h2,h3,h4{font-family:'Playfair Display','Georgia',serif;color:var(--navy);font-weight:700;letter-spacing:-0.5px}
h1{font-size:clamp(32px,5vw,52px);line-height:1.1}
h2{font-size:clamp(26px,4vw,40px);line-height:1.15;margin-bottom:8px}
h3{font-size:clamp(18px,3vw,22px);margin-bottom:6px}
.serif{font-family:'Playfair Display','Georgia',serif}
.eyebrow{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--pine);font-weight:600;margin-bottom:8px;font-family:'Prompt',sans-serif}
a{color:var(--pine);text-decoration:none;transition:color 0.15s}
a:hover{color:var(--pine-dark)}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* TOP BAR */
.top-bar{background:var(--navy);color:white;font-size:12px;padding:8px 0}
.top-bar-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar a{color:rgba(255,255,255,0.9)}
.top-bar a:hover{color:white}
.top-bar-left,.top-bar-right{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.lang-switch a{padding:2px 8px;font-weight:600;border-radius:4px}
.lang-switch a.active{background:rgba(255,255,255,0.15);color:white}
.btn-register{background:var(--pine);color:white !important;padding:6px 14px;border-radius:4px;font-weight:600;font-size:11px;letter-spacing:0.5px}
.btn-register:hover{background:var(--pine-light);color:white !important}

/* NAVBAR */
.navbar{background:white;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--gray-100);box-shadow:0 1px 3px rgba(15,42,63,0.04)}
.nav-container{max-width:1240px;margin:0 auto;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo img{height:50px}
.logo-text strong{display:block;font-family:'Playfair Display',serif;color:var(--navy);font-size:18px;font-weight:700;line-height:1.1;letter-spacing:-0.3px}
.logo-text span{display:block;font-size:10px;color:var(--slate);text-transform:uppercase;letter-spacing:1.5px;margin-top:2px}
.nav-menu{display:flex;list-style:none;gap:2px;align-items:center}
.nav-menu>li{position:relative}
.nav-menu>li>a{padding:10px 16px;color:var(--navy);font-weight:500;font-size:14px;transition:all 0.15s;display:block}
.nav-menu>li>a:hover{color:var(--pine)}
.nav-menu>li>a.active{color:var(--pine);font-weight:600}
.nav-menu>li>a.active::after{content:'';display:block;width:24px;height:2px;background:var(--pine);margin-top:4px}
.dropdown{position:absolute;top:100%;left:0;background:white;min-width:200px;padding:8px;border-radius:8px;box-shadow:0 12px 32px rgba(15,42,63,0.12);opacity:0;visibility:hidden;transform:translateY(8px);transition:all 0.2s;list-style:none;border:1px solid var(--gray-100)}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:8px 12px;border-radius:6px;color:var(--navy);font-size:13px;font-weight:500}
.dropdown li a:hover{background:var(--gray-50);color:var(--pine)}
.nav-menu .btn-cta{background:var(--pine);color:white !important;border-radius:100px;margin-left:10px;font-size:13px;padding:10px 22px;font-weight:600}
.nav-menu .btn-cta:hover{background:var(--pine-dark);color:white !important;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;font-size:28px;cursor:pointer;color:var(--navy)}

/* HERO */
.hero{position:relative;min-height:80vh;display:flex;align-items:center;background:linear-gradient(135deg, rgba(15,42,63,0.85), rgba(27,94,63,0.7));overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('../images/hero-bg.png') center/cover;z-index:-1;opacity:0.55}
.hero-content{max-width:900px;margin:0 auto;padding:80px 24px;color:white;text-align:center;position:relative;z-index:1}
.hero .eyebrow{color:var(--gold-light);font-family:'Prompt',sans-serif;letter-spacing:3px}
.hero h1{color:white;margin-bottom:18px;font-weight:700;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.hero p{font-size:clamp(15px,2vw,18px);opacity:0.95;margin-bottom:32px;max-width:700px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* BUTTONS */
.btn{padding:14px 32px;border-radius:100px;font-weight:600;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all 0.2s;border:none;cursor:pointer;font-family:inherit;letter-spacing:0.3px}
.btn-primary{background:var(--pine);color:white}
.btn-primary:hover{background:var(--pine-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,94,63,0.3);color:white}
.btn-white{background:white;color:var(--navy)}
.btn-white:hover{background:var(--cream);transform:translateY(-2px)}
.btn-outline{background:transparent;color:white;border:1.5px solid rgba(255,255,255,0.6)}
.btn-outline:hover{background:rgba(255,255,255,0.1);border-color:white}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-light);transform:translateY(-2px)}

/* HERO CARDS (3 ใต้ Hero) */
.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--gray-100);margin-top:-50px;position:relative;z-index:2;max-width:1100px;margin-left:auto;margin-right:auto;border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(15,42,63,0.15)}
.hero-card{background:var(--pine);color:white;padding:32px 24px;text-align:center;transition:all 0.2s}
.hero-card:hover{background:var(--pine-dark);transform:translateY(-2px)}
.hero-card .icon{font-size:36px;margin-bottom:12px;color:var(--gold)}
.hero-card h3{color:white;font-size:18px;margin-bottom:4px;font-family:'Playfair Display',serif}
.hero-card p{font-size:12px;opacity:0.85;margin-bottom:14px}
.hero-card .view-more{color:var(--gold-light);font-size:11px;font-weight:600;letter-spacing:1px}
.hero-card .view-more::after{content:' →'}

/* SECTIONS */
section{padding:80px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{margin-bottom:8px}
.section-header p{color:var(--slate);font-size:15px}
.section-divider{width:50px;height:3px;background:var(--gold);margin:0 auto 16px}

/* WHY CHOOSE US */
.why-section{background:var(--cream)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.why-card{background:white;padding:32px 24px;border-radius:12px;text-align:center;border:1px solid var(--gray-100);transition:all 0.2s}
.why-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(15,42,63,0.08);border-color:var(--gold-light)}
.why-icon{width:64px;height:64px;background:var(--cream);border:1.5px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--gold);margin:0 auto 16px}
.why-card h3{font-size:17px;margin-bottom:10px;color:var(--navy);font-family:'Playfair Display',serif}
.why-card p{font-size:13px;color:var(--slate);line-height:1.6}

/* ADMISSION COUNTDOWN */
.admission-section{background:url('../images/student-onet.png') center/cover;position:relative;color:white;padding:80px 0}
.admission-section::before{content:'';position:absolute;inset:0;background:rgba(15,42,63,0.85)}
.admission-section .container{position:relative;z-index:1}
.admission-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.admission-left .eyebrow{color:var(--gold-light)}
.admission-left h2{color:white}
.countdown{display:flex;gap:14px;margin:24px 0}
.countdown-item{flex:1;background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);border:1.5px solid rgba(255,255,255,0.2);border-radius:50%;width:90px;height:90px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.countdown-item .num{font-family:'Playfair Display',serif;font-size:24px;font-weight:700;color:white}
.countdown-item .lbl{font-size:10px;color:rgba(255,255,255,0.8);text-transform:uppercase;letter-spacing:1px}
.register-card{background:white;border-radius:16px;padding:30px;color:var(--navy);position:relative}
.register-card::before{content:'';position:absolute;top:-30px;left:50%;transform:translateX(-50%);background:var(--pine);color:white;padding:12px 30px;border-radius:0 0 16px 16px;font-family:'Playfair Display',serif;font-size:16px;font-weight:600;letter-spacing:0.5px}
.register-card h3{font-family:'Playfair Display',serif;text-align:center;color:var(--navy);font-size:20px;margin-bottom:6px;margin-top:14px}
.register-card p{text-align:center;font-size:13px;color:var(--slate);margin-bottom:20px}
.register-card input{width:100%;padding:14px 16px;border:1.5px solid var(--gray-200);border-radius:8px;font-size:14px;font-family:inherit;margin-bottom:12px;outline:none;transition:border 0.15s}
.register-card input:focus{border-color:var(--pine);box-shadow:0 0 0 3px rgba(27,94,63,0.1)}
.register-card button{width:100%;padding:14px;background:var(--navy);color:white;border:none;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;letter-spacing:1px;text-transform:uppercase;font-family:inherit;transition:all 0.15s}
.register-card button:hover{background:var(--pine);transform:translateY(-1px)}

/* EVENTS */
.event-item{display:grid;grid-template-columns:100px 1fr 240px;gap:24px;padding:20px 0;border-bottom:1px solid var(--gray-100);align-items:center}
.event-item:last-child{border-bottom:none}
.event-date{text-align:center}
.event-date .day{font-family:'Playfair Display',serif;font-size:42px;font-weight:700;color:var(--pine);line-height:1}
.event-date .month{font-size:11px;color:var(--slate);text-transform:uppercase;letter-spacing:2px;font-weight:600}
.event-info h3{font-family:'Playfair Display',serif;font-size:17px;margin-bottom:6px;color:var(--navy)}
.event-info .time{font-size:12px;color:var(--slate);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.event-info p{font-size:13px;color:var(--slate);line-height:1.5}
.event-image{background:linear-gradient(135deg,var(--pine),var(--sky));height:140px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:white;font-size:48px}

/* NEWS */
.news-section{background:var(--cream)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:white;border-radius:12px;overflow:hidden;border:1px solid var(--gray-100);transition:all 0.2s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(15,42,63,0.1)}
.news-image{height:200px;background:linear-gradient(135deg,var(--navy),var(--sky));display:flex;align-items:center;justify-content:center;font-size:60px;color:white;position:relative}
.news-tag{position:absolute;bottom:12px;left:12px;background:var(--pine);color:white;padding:6px 14px;font-size:11px;font-weight:600;letter-spacing:1px}
.news-content{padding:20px}
.news-content h3{font-family:'Playfair Display',serif;font-size:17px;margin-bottom:8px;line-height:1.3}
.news-content p{font-size:13px;color:var(--slate);line-height:1.5}

/* PAGE HERO */
.page-hero{background:linear-gradient(135deg,var(--navy),var(--pine));color:white;padding:80px 0;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:url('../images/hero-bg.png') center/cover;opacity:0.15}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:white;font-size:clamp(28px,5vw,44px);margin-bottom:8px}
.page-hero p{opacity:0.9;font-size:16px}
.page-hero .eyebrow{color:var(--gold-light)}

/* PROGRAMS GRID */
.programs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.program-card{background:white;border-radius:14px;padding:32px 28px;border:1px solid var(--gray-100);transition:all 0.2s;position:relative;overflow:hidden}
.program-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--pine);transform:scaleX(0);transform-origin:left;transition:transform 0.3s}
.program-card:hover::before{transform:scaleX(1)}
.program-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(15,42,63,0.1)}
.program-card .icon{font-size:36px;margin-bottom:14px}
.program-card .age{font-size:11px;color:var(--gold);font-weight:700;text-transform:uppercase;letter-spacing:2px;margin-bottom:8px}
.program-card h3{color:var(--navy);margin-bottom:10px;font-family:'Playfair Display',serif}
.program-card p{font-size:13px;color:var(--slate);line-height:1.6}

/* FOOTER */
footer{background:var(--navy);color:white;padding:60px 0 24px;position:relative}
footer::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand img{height:60px;filter:brightness(0) invert(1)}
.footer-brand .name{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;margin:14px 0 6px;color:white}
.footer-brand .tagline{font-size:12px;color:rgba(255,255,255,0.6);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:14px}
.footer-brand p{font-size:13px;color:rgba(255,255,255,0.7);line-height:1.6}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,0.2);border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;font-size:14px;transition:all 0.15s}
.footer-social a:hover{background:var(--pine);border-color:var(--pine);color:white}
footer h4{color:white;margin-bottom:18px;font-size:12px;text-transform:uppercase;letter-spacing:1.5px;font-family:'Prompt',sans-serif;font-weight:600;position:relative;padding-bottom:10px}
footer h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--gold)}
footer ul{list-style:none}
footer ul li{margin-bottom:10px}
footer a{color:rgba(255,255,255,0.75);font-size:13px}
footer a:hover{color:var(--gold-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,0.5)}
.footer-bottom a{color:rgba(255,255,255,0.7)}

/* CTA POPUP (Bottom) */
#cta-popup{position:fixed;bottom:20px;left:20px;right:20px;max-width:420px;margin:0 auto;background:white;border-radius:16px;padding:18px 20px;box-shadow:0 20px 50px rgba(15,42,63,0.18);border:1px solid var(--gray-100);display:none;z-index:99;animation:slideUp 0.5s ease-out;border-left:4px solid var(--pine)}
#cta-popup.show{display:block}
#cta-popup-close{position:absolute;top:8px;right:8px;background:var(--gray-50);border:none;width:26px;height:26px;border-radius:50%;cursor:pointer;color:var(--slate);font-size:14px;display:flex;align-items:center;justify-content:center}
#cta-popup-content{display:flex;align-items:center;gap:14px}
#cta-popup .icon{font-size:28px}
#cta-popup .text strong{display:block;font-family:'Playfair Display',serif;font-size:15px;color:var(--navy)}
#cta-popup .text small{font-size:12px;color:var(--slate)}
#cta-popup .btn{padding:8px 18px;font-size:12px;white-space:nowrap}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* MOBILE */
@media(max-width:900px){
  .menu-toggle{display:block}
  .nav-menu{position:fixed;top:74px;left:0;right:0;background:white;flex-direction:column;padding:20px;border-top:1px solid var(--gray-100);box-shadow:0 4px 20px rgba(0,0,0,0.1);display:none;max-height:calc(100vh - 74px);overflow-y:auto}
  .nav-menu.show{display:flex}
  .nav-menu li{width:100%}
  .nav-menu>li>a{padding:14px 0;border-bottom:1px solid var(--gray-100)}
  .nav-menu .btn-cta{margin:12px 0 0;text-align:center;justify-content:center}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px;background:transparent}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .top-bar{font-size:11px}
  .hide-mobile{display:none}
  section{padding:50px 0}
  .hero{min-height:60vh}
  .hero-cards{grid-template-columns:1fr;margin:-30px 16px 0;border-radius:12px}
  .admission-grid{grid-template-columns:1fr;gap:40px}
  .event-item{grid-template-columns:80px 1fr;gap:14px}
  .event-image{display:none}
  .news-grid{grid-template-columns:1fr}
  .countdown-item{width:70px;height:70px}
  .countdown-item .num{font-size:20px}
}
@media(max-width:600px){
  .hero-buttons .btn{width:100%;justify-content:center}
  .countdown{gap:8px}
  .countdown-item{width:64px;height:64px}
}