:root{
  --primary:#2fa2ad;
  --primary-dark:#247b83;
  --secondary:#f3be45;
  --blue:#4d8bd3;
  --coral:#f47b5f;
  --ink:#162028;
  --muted:#6d7680;
  --bg:#f5fafb;
  --card:#ffffff;
  --line:#d9e9ec;
  --shadow:0 18px 50px rgba(30,93,101,.10);
  --shadow-soft:0 10px 30px rgba(30,93,101,.07);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Cairo',sans-serif;background:var(--bg);color:var(--ink);line-height:1.8;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 32px));margin-inline:auto}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,233,236,.95);box-shadow:0 8px 28px rgba(26,74,81,.04)}
.nav-wrap{min-height:86px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand img{width:58px;height:58px;object-fit:contain;border-radius:50%;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 22px rgba(36,123,131,.09)}
.brand strong{font-size:22px;font-weight:800;letter-spacing:-.4px;color:var(--ink)}
.brand-mark{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:24px;font-weight:800}
.main-nav{display:flex;align-items:center;gap:10px;margin-inline:auto;padding:6px;background:#f6fbfc;border:1px solid #e5f0f2;border-radius:18px}
.main-nav a{padding:9px 14px;border-radius:12px;font-size:15px;font-weight:700;color:#34434a;transition:.2s}
.main-nav a:hover{background:#fff;color:var(--primary-dark);box-shadow:0 6px 18px rgba(34,98,106,.07)}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:14px;padding:12px 20px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font:inherit;font-weight:800;cursor:pointer;transition:.2s;box-shadow:0 10px 22px rgba(47,162,173,.17)}
.nav-cta:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(47,162,173,.23)}
.btn-outline{background:#fff;color:var(--primary-dark);border:1px solid var(--primary);box-shadow:none}
.btn-outline:hover{background:#eaf8fa;color:var(--primary-dark);box-shadow:none}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:13px;background:#f5fbfc;color:var(--primary-dark);font-size:21px;cursor:pointer}

.hero{padding:76px 0 54px;background:radial-gradient(circle at 12% 18%,rgba(243,190,69,.20),transparent 30%),radial-gradient(circle at 90% 16%,rgba(77,139,211,.14),transparent 22%),linear-gradient(135deg,#fff 0%,#eef9fa 100%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero-content{position:relative;z-index:2}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#e7f7f8;color:var(--primary-dark);font-weight:800;font-size:14px}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.25;margin:18px 0;color:#101b21;letter-spacing:-1px}
.hero p{font-size:18px;color:var(--muted);max-width:650px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-media{min-height:430px;border-radius:34px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;position:relative}
.hero-media:after{content:"";position:absolute;inset:0;border:10px solid rgba(255,255,255,.35);border-radius:34px;pointer-events:none}
.hero-media>a{display:block;height:100%}
.hero-media img{width:100%;height:100%;min-height:430px;object-fit:cover}
.hero-placeholder{min-height:430px;height:100%;display:grid;place-items:center;text-align:center;color:var(--ink);padding:40px;background:linear-gradient(145deg,#fff,#eef9fa)}
.hero-placeholder i{display:block;font-size:88px;color:var(--secondary);margin-bottom:18px}

.stats{margin-top:-12px;position:relative;z-index:3}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.stat{padding:24px 18px;text-align:center;border-inline-start:1px solid var(--line)}
.stat:first-child{border-inline-start:0}
.stat i{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;margin:0 auto 8px;background:#eaf8fa;color:var(--primary-dark)}
.stat strong{display:block;font-size:29px;color:var(--primary-dark);line-height:1.25}
.stat span{font-size:14px;color:var(--muted);font-weight:700}

.section{padding:82px 0}
.section.alt{background:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2,.about-content h2,.contact-card h2{font-size:36px;line-height:1.35;margin:10px 0 4px}
.section-head p{margin:4px 0 0;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft)}
.teacher-card{height:100%;transition:.25s}
.teacher-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.teacher-card-link{display:flex;flex-direction:column;height:100%}
.teacher-card .image{height:330px;background:#eaf5f7;overflow:hidden;position:relative}
.teacher-card .image:after{content:"";position:absolute;inset:auto 0 0;height:70px;background:linear-gradient(transparent,rgba(11,38,43,.18));pointer-events:none}
.teacher-card .image img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .4s}
.teacher-card:hover .image img{transform:scale(1.035)}
.teacher-placeholder{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(145deg,#e9f7f8,#dbeff2);color:var(--primary-dark);font-size:74px}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:23px;margin:0 0 4px;line-height:1.45}
.subject{font-weight:800;color:var(--primary-dark)}
.card-body p{margin:11px 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.more-link{display:inline-flex;align-items:center;gap:8px;margin-top:auto;color:var(--primary-dark);font-weight:800}

.about-section{background:linear-gradient(135deg,#f3fafb,#fff)}
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:center}
.about-visual{min-height:430px;border-radius:34px;background:linear-gradient(145deg,var(--primary),var(--primary-dark));display:grid;place-items:center;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.about-icon{width:180px;height:180px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--primary-dark);font-size:74px;box-shadow:0 18px 50px rgba(0,0,0,.14);z-index:2}
.about-shape{position:absolute;border-radius:50%;opacity:.85}
.about-shape-one{width:210px;height:210px;background:var(--secondary);top:-85px;right:-55px}
.about-shape-two{width:170px;height:170px;background:var(--blue);bottom:-70px;left:-45px}
.about-content p{color:var(--muted);font-size:17px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.about-features div{display:flex;align-items:center;gap:10px;padding:13px 15px;background:#fff;border:1px solid var(--line);border-radius:15px;font-weight:700;box-shadow:0 8px 22px rgba(34,98,106,.05)}
.about-features i{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:#e6f8ee;color:#15803d;font-size:13px}

.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-card,.form-card,.info-box,.teacher-contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:30px}
.contact-item{display:flex;align-items:flex-start;gap:14px;margin:20px 0}
.contact-item>i{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;flex:0 0 auto;background:#e7f7f8;color:var(--primary-dark)}
.form-card h3{display:flex;align-items:center;gap:10px;margin:0 0 10px}
.form-card h3 i{color:var(--primary-dark)}
.form-card hr{border:0;border-top:1px solid var(--line);margin:24px 0}
.muted{color:var(--muted)}
.empty{padding:48px;text-align:center;background:#fff;border:1px dashed #bcdde0;border-radius:var(--radius);color:var(--muted)}

.page-hero{padding:60px 0;background:radial-gradient(circle at 12% 10%,rgba(243,190,69,.17),transparent 27%),linear-gradient(135deg,#fff,#edf9fa);border-bottom:1px solid var(--line)}
.page-hero-content{text-align:center;max-width:760px}
.page-hero h1{font-size:44px;line-height:1.3;margin:10px 0 4px}

.teacher-profile-hero{padding:62px 0;background:radial-gradient(circle at 8% 12%,rgba(243,190,69,.18),transparent 28%),radial-gradient(circle at 91% 18%,rgba(77,139,211,.12),transparent 22%),linear-gradient(135deg,#fff,#eef9fa)}
.teacher-profile-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:44px;align-items:center}
.teacher-profile-image-wrap{background:#fff;padding:18px;border-radius:30px;border:1px solid var(--line);box-shadow:var(--shadow)}
.teacher-profile-image{height:520px;border-radius:22px;overflow:hidden;background:#eaf5f7}
.teacher-profile-image img{width:100%;height:100%;object-fit:cover;object-position:center top}
.teacher-profile-content h1{font-size:52px;line-height:1.25;margin:16px 0 5px}
.large-subject{font-size:21px}
.teacher-intro{font-size:18px;color:var(--muted);max-width:680px}
.teacher-content-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start}
.teacher-main-content{display:flex;flex-direction:column;gap:24px}
.info-box-title{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.info-box-title i{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#e7f7f8;color:var(--primary-dark)}
.info-box-title h2{margin:0;font-size:25px}
.info-box p{margin:0;color:#48565d}
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.gallery-card{margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#f7fbfc}
.gallery-card img{width:100%;height:250px;object-fit:cover}
.gallery-card figcaption{padding:12px 14px;font-weight:700}
.teacher-contact-card{position:sticky;top:110px;text-align:center}
.teacher-contact-icon{width:76px;height:76px;border-radius:24px;display:grid;place-items:center;margin:0 auto 14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:29px}
.teacher-contact-card h3{font-size:22px;margin:0 0 8px}
.teacher-contact-card p{color:var(--muted);margin:0 0 18px}
.teacher-contact-card .btn{width:100%}

.site-footer{position:relative;overflow:hidden;background:#13252b;color:#e9f7f8;padding:60px 0 0}
.footer-decoration{position:absolute;border-radius:50%;filter:blur(1px);opacity:.13}
.footer-decoration-one{width:300px;height:300px;background:var(--secondary);right:-120px;top:-150px}
.footer-decoration-two{width:240px;height:240px;background:var(--blue);left:-100px;bottom:-120px}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.45fr .75fr 1fr;gap:48px}
.footer-brand{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.footer-brand img{width:66px;height:66px;object-fit:contain;background:#fff;border-radius:50%;padding:4px}
.footer-brand strong{font-size:24px;color:#fff}
.footer-brand-column p{max-width:500px;color:#bdd4d8;margin:0 0 18px}
.footer-badge{display:inline-flex;align-items:center;gap:9px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);color:#fff;font-weight:700}
.footer-column h4{color:#fff;font-size:18px;margin:0 0 18px;position:relative;padding-bottom:10px}
.footer-column h4:after{content:"";position:absolute;right:0;bottom:0;width:42px;height:3px;border-radius:5px;background:var(--secondary)}
.footer-column>a{display:flex;align-items:center;gap:8px;color:#bdd4d8;margin:10px 0;transition:.2s}
.footer-column>a:hover{color:#fff;transform:translateX(-4px)}
.footer-contact-column p{display:flex;align-items:flex-start;gap:10px;color:#bdd4d8;margin:12px 0}
.footer-contact-column p>i{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.08);color:var(--secondary);flex:0 0 auto}
.footer-contact-column a{color:inherit}
.footer-bottom{position:relative;z-index:2;margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.10);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#9fbcc1;font-size:14px}
.whatsapp-float{position:fixed;left:24px;bottom:24px;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;font-size:31px;z-index:110;box-shadow:0 14px 35px rgba(37,211,102,.30);transition:.2s}
.whatsapp-float:hover{transform:translateY(-4px) scale(1.03)}
.developer-credit{display:inline-flex;align-items:center;gap:5px;color:#c8dde0;transition:.2s}.developer-credit strong{color:#fff;font-weight:800}.developer-credit:hover{color:#fff;transform:translateY(-1px)}
.back-to-top{position:fixed;right:24px;bottom:24px;width:52px;height:52px;border:1px solid rgba(255,255,255,.85);border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:grid;place-items:center;font-size:18px;cursor:pointer;z-index:109;box-shadow:0 14px 34px rgba(36,123,131,.28);opacity:0;visibility:hidden;transform:translateY(18px);transition:opacity .25s,visibility .25s,transform .25s,box-shadow .2s}.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(36,123,131,.34)}.back-to-top:focus-visible{outline:3px solid rgba(243,190,69,.55);outline-offset:3px}

@media(max-width:1020px){
  .nav-wrap{gap:16px}.main-nav{gap:3px}.main-nav a{padding:8px 10px}
  .hero-grid,.about-grid,.teacher-profile-grid{grid-template-columns:1fr}
  .hero-media{min-height:360px}.hero-media img,.hero-placeholder{min-height:360px}
  .teacher-profile-image{height:560px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .teacher-content-layout{grid-template-columns:1fr}.teacher-contact-card{position:static}
  .footer-grid{grid-template-columns:1.2fr 1fr;gap:36px}.footer-contact-column{grid-column:1/-1}
}

@media(max-width:860px){
  .menu-toggle{display:grid;place-items:center;margin-inline-start:auto}
  .nav-cta{display:none}
  .main-nav{display:none;position:absolute;top:78px;right:16px;left:16px;margin:0;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;background:#f7fbfc}
  .nav-wrap{min-height:78px}
  .brand img{width:50px;height:50px}.brand strong{font-size:19px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3){border-inline-start:0;border-top:1px solid var(--line)}.stat:nth-child(4){border-top:1px solid var(--line)}
  .contact-wrap{grid-template-columns:1fr}
}

@media(max-width:620px){
  .container{width:min(100% - 22px,1180px)}
  .site-header{background:rgba(255,255,255,.97)}
  .nav-wrap{min-height:74px;gap:10px}.brand{gap:9px}.brand img{width:47px;height:47px}.brand strong{font-size:17px}.menu-toggle{width:42px;height:42px;border-radius:12px}
  .main-nav{top:74px;right:11px;left:11px;border-radius:16px;padding:10px}.main-nav a{text-align:center;padding:12px}
  .hero{padding:30px 0 38px;background:radial-gradient(circle at 8% 8%,rgba(243,190,69,.18),transparent 28%),radial-gradient(circle at 92% 28%,rgba(77,139,211,.13),transparent 25%),linear-gradient(180deg,#fff 0%,#eef9fa 100%)}
  .hero-grid{gap:24px}.hero-content{text-align:center}.eyebrow{font-size:12px;padding:6px 10px}.hero h1{font-size:32px;line-height:1.35;margin:14px 0 12px;letter-spacing:-.5px}.hero p{font-size:15px;line-height:1.9;margin-inline:auto}.hero-actions{margin-top:22px;display:grid;grid-template-columns:1fr;gap:10px}.hero-actions .btn{width:100%;min-height:49px}
  .hero-media{order:-1;min-height:0;height:auto;aspect-ratio:16/11;border-radius:24px;box-shadow:0 14px 34px rgba(30,93,101,.12)}.hero-media:after{border-width:6px;border-radius:24px}.hero-media>a{height:100%}.hero-media img,.hero-placeholder{width:100%;height:100%;min-height:0}.hero-media img{object-fit:cover}.hero-placeholder{padding:24px}.hero-placeholder i{font-size:58px;margin-bottom:10px}
  .stats{margin-top:0;padding-top:4px}.stats-grid{border-radius:18px}.stat{padding:17px 8px}.stat i{width:36px;height:36px;border-radius:11px}.stat strong{font-size:23px}.stat span{font-size:12px}
  .section{padding:54px 0}.section-head{align-items:flex-start;flex-direction:column;gap:16px}.section-head h2,.about-content h2,.contact-card h2{font-size:29px}.section-head .btn{width:100%}
  .cards{grid-template-columns:1fr}.teacher-card .image{height:350px}.card-body{padding:19px}.card-body h3{font-size:21px}
  .about-grid{gap:26px}.about-visual{min-height:280px;border-radius:25px}.about-icon{width:125px;height:125px;font-size:52px}.about-features{grid-template-columns:1fr}
  .page-hero{padding:42px 0}.page-hero h1{font-size:34px}
  .teacher-profile-hero{padding:38px 0}.teacher-profile-grid{gap:24px}.teacher-profile-image{height:420px}.teacher-profile-content h1{font-size:36px}.teacher-profile-image-wrap{padding:10px;border-radius:22px}
  .gallery-grid{grid-template-columns:1fr}.gallery-card img{height:230px}
  .contact-card,.form-card,.info-box,.teacher-contact-card{padding:19px}
  .footer-grid{grid-template-columns:1fr;gap:30px}.footer-contact-column{grid-column:auto}.footer-bottom{flex-direction:column;text-align:center;gap:8px;margin-top:34px}.site-footer{padding-top:44px}.footer-brand-column{text-align:center}.footer-brand{justify-content:center}.footer-brand-column p{margin-inline:auto}.footer-badge{margin-inline:auto}.footer-column h4{text-align:center}.footer-column h4:after{right:50%;transform:translateX(50%)}.footer-column>a{justify-content:center}.footer-contact-column p{justify-content:center;text-align:center}.footer-brand img{width:58px;height:58px}.footer-brand strong{font-size:22px}
  .whatsapp-float{left:16px;bottom:16px;width:54px;height:54px}.back-to-top{right:16px;bottom:16px;width:48px;height:48px;border-radius:14px}
}