/* =========================================================
   LINGUA — Dil Okulu  |  style.css
   Enerjik mavi + turuncu + sarı, temiz beyaz/gri
   ========================================================= */

:root{
  --blue:#2D6CFF;
  --blue-dark:#1B4FCC;
  --blue-soft:#EAF1FF;
  --orange:#FF7A45;
  --orange-soft:#FFF0EA;
  --yellow:#FFC542;
  --ink:#141B2E;
  --ink-soft:#4A5468;
  --muted:#8A93A6;
  --line:#E7EAF1;
  --bg:#FFFFFF;
  --bg-alt:#F5F7FC;
  --white:#fff;
  --radius:20px;
  --radius-sm:12px;
  --shadow-sm:0 4px 16px rgba(20,27,46,.06);
  --shadow:0 18px 44px rgba(20,27,46,.10);
  --shadow-lg:0 30px 70px rgba(45,108,255,.20);
  --grad:linear-gradient(120deg,var(--blue),#5B8CFF 60%,var(--orange));
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-h:74px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.brand-text{font-family:'Sora','Inter',sans-serif;line-height:1.12;letter-spacing:-.02em}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:min(1180px,92%);margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:'Sora',sans-serif;font-weight:600;font-size:.98rem;
  padding:.9rem 1.6rem;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 26px rgba(45,108,255,.32)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-3px);box-shadow:0 18px 34px rgba(45,108,255,.42)}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.btn-outline{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff;transform:translateY(-3px)}
.btn-block{width:100%}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;top:0;left:0;width:100%;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:.35s var(--ease);
}
.navbar.scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:min(1180px,92%);margin-inline:auto}
.brand{display:flex;align-items:center;gap:.6rem;font-family:'Sora';font-weight:700;font-size:1.3rem}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-family:'Sora';font-weight:800;font-size:1.25rem;
  box-shadow:0 8px 18px rgba(45,108,255,.34);
}
.brand-dot{color:var(--orange)}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-weight:500;color:var(--ink-soft);font-size:.98rem;position:relative;transition:color .2s}
.nav-links a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--blue);transition:width .28s var(--ease)}
.nav-links a:not(.nav-cta):hover{color:var(--ink)}
.nav-links a:not(.nav-cta):hover::after{width:100%}
.nav-cta{background:var(--blue);color:#fff!important;padding:.62rem 1.25rem;border-radius:999px;box-shadow:0 8px 18px rgba(45,108,255,.3)}
.nav-cta:hover{background:var(--blue-dark);transform:translateY(-2px)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.3s var(--ease)}
.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)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:calc(var(--nav-h) + 3.5rem) 0 3.5rem;background:
  radial-gradient(1200px 500px at 80% -5%,var(--blue-soft),transparent 60%),
  radial-gradient(900px 460px at -5% 30%,var(--orange-soft),transparent 55%),
  var(--bg);overflow:hidden}
.hero-bg-orbs{position:absolute;inset:0;pointer-events:none;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(8px);opacity:.5;animation:float 9s ease-in-out infinite}
.orb-1{width:120px;height:120px;background:var(--yellow);top:18%;right:8%;opacity:.35}
.orb-2{width:70px;height:70px;background:var(--orange);top:60%;right:22%;animation-delay:1.4s}
.orb-3{width:48px;height:48px;background:var(--blue);top:42%;left:6%;animation-delay:.7s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:#fff;border:1px solid var(--line);
  padding:.5rem 1rem;border-radius:999px;font-weight:600;font-size:.86rem;color:var(--ink-soft);box-shadow:var(--shadow-sm)}
.hero-content h1{font-size:clamp(2.3rem,5vw,3.7rem);font-weight:800;margin:1.1rem 0}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.12rem;color:var(--ink-soft);max-width:34rem;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.8rem}
.hero-flags{display:flex;align-items:center;gap:.55rem;font-size:1.6rem}
.hero-flags em{font-size:.9rem;font-style:normal;color:var(--muted);font-weight:500;margin-left:.4rem}

.hero-visual{position:relative}
.hero-photo{border-radius:26px;overflow:hidden;box-shadow:var(--shadow-lg);border:6px solid #fff;transform:rotate(1.4deg)}
.hero-photo img{width:100%;height:440px;object-fit:cover}
.floating-card{position:absolute;background:#fff;border-radius:16px;padding:.85rem 1.05rem;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:.7rem;animation:float 6s ease-in-out infinite}
.floating-card strong{display:block;font-family:'Sora';font-weight:700;font-size:1.15rem;line-height:1}
.floating-card small{color:var(--muted);font-size:.78rem}
.fc-emoji{font-size:1.5rem}
.fc-1{top:-18px;left:-22px}
.fc-2{bottom:-16px;right:-14px;animation-delay:1.1s}

/* ---------- Counters ---------- */
.counters{margin-top:3.5rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);padding:1.8rem 1rem}
.counter{text-align:center;padding:.5rem;position:relative}
.counter:not(:last-child)::after{content:"";position:absolute;right:0;top:22%;height:56%;width:1px;background:var(--line)}
.counter-num{display:block;font-family:'Sora';font-weight:800;font-size:clamp(1.8rem,3.4vw,2.6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.counter-label{color:var(--ink-soft);font-size:.92rem;font-weight:500}

/* ---------- Sections ---------- */
.section{padding:5.5rem 0}
.section-head{text-align:center;max-width:44rem;margin:0 auto 3rem}
.eyebrow{display:inline-block;font-family:'Sora';font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:.78rem;color:var(--blue);background:var(--blue-soft);padding:.4rem .9rem;border-radius:999px;margin-bottom:1rem}
.eyebrow.light{color:#fff;background:rgba(255,255,255,.16)}
.section-head h2{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800}
.section-head p{color:var(--ink-soft);font-size:1.06rem;margin-top:.8rem}

/* ---------- Languages tabs ---------- */
.languages{background:var(--bg-alt)}
.lang-tabs{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;margin-bottom:2.2rem}
.lang-tab{display:inline-flex;align-items:center;gap:.5rem;font-family:'Sora';font-weight:600;font-size:1rem;
  background:#fff;border:1px solid var(--line);color:var(--ink-soft);padding:.75rem 1.35rem;border-radius:999px;
  cursor:pointer;transition:.25s var(--ease)}
.lang-tab .flag{font-size:1.25rem}
.lang-tab:hover{border-color:var(--blue);color:var(--ink);transform:translateY(-2px)}
.lang-tab.active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 12px 24px rgba(45,108,255,.3)}

.lang-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:2.2rem;display:grid;grid-template-columns:1fr 1.2fr;gap:2.4rem;align-items:center}
.lang-panel.switching{opacity:0;transform:translateY(10px)}
.lang-panel{transition:opacity .3s var(--ease),transform .3s var(--ease)}
.lp-intro h3{font-size:1.7rem;display:flex;align-items:center;gap:.6rem;margin-bottom:.4rem}
.lp-intro .lp-flag{font-size:2rem}
.lp-tagline{color:var(--orange);font-weight:600;font-family:'Sora';margin-bottom:.7rem}
.lp-desc{color:var(--ink-soft);margin-bottom:1.3rem}
.lp-meta{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.4rem}
.lp-meta span{background:var(--blue-soft);color:var(--blue-dark);font-weight:600;font-size:.82rem;
  padding:.4rem .8rem;border-radius:999px}
.lp-intro .btn{margin-top:.2rem}
.lp-levels{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.level-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.05rem 1.1rem;
  transition:.25s var(--ease)}
.level-card:hover{background:#fff;border-color:var(--blue);transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.level-badge{display:inline-block;font-family:'Sora';font-weight:800;font-size:.82rem;color:#fff;
  background:var(--grad);padding:.2rem .6rem;border-radius:8px;margin-bottom:.5rem}
.level-card h4{font-size:1rem;margin-bottom:.25rem}
.level-card p{font-size:.86rem;color:var(--ink-soft);line-height:1.45}
.level-dur{display:block;margin-top:.5rem;font-size:.78rem;color:var(--muted);font-weight:600}

/* ---------- Packages ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.5rem;display:flex;flex-direction:column;transition:.3s var(--ease)}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.price-card.popular{border:2px solid var(--blue);box-shadow:var(--shadow-lg);transform:translateY(-10px)}
.price-card.popular:hover{transform:translateY(-16px)}
.popular-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;
  font-family:'Sora';font-weight:700;font-size:.78rem;padding:.35rem .9rem;border-radius:999px;
  box-shadow:0 8px 18px rgba(255,122,69,.4);white-space:nowrap}
.price-head h3{font-size:1.3rem;margin-bottom:.3rem}
.price-desc{color:var(--ink-soft);font-size:.9rem;min-height:2.6rem}
.price-tag{font-family:'Sora';font-weight:800;font-size:2.4rem;color:var(--ink);margin:1.1rem 0;line-height:1}
.price-tag .cur{font-size:1.3rem;vertical-align:top;color:var(--blue);margin-right:.1rem}
.price-tag .per{font-size:.95rem;font-weight:600;color:var(--muted)}
.price-tag-sm{font-size:1.7rem;color:var(--blue)}
.price-feats{margin:0 0 1.6rem;display:grid;gap:.7rem}
.price-feats li{position:relative;padding-left:1.7rem;font-size:.92rem;color:var(--ink-soft)}
.price-feats li::before{content:"✓";position:absolute;left:0;top:0;width:1.2rem;height:1.2rem;border-radius:50%;
  background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:.72rem;display:grid;place-items:center}
.price-card.popular .price-feats li::before{background:var(--orange-soft);color:var(--orange)}
.price-card .btn{margin-top:auto}

/* ---------- Stats band ---------- */
.stats-band{background:var(--grad);color:#fff;padding:3rem 0}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat strong{display:block;font-family:'Sora';font-weight:800;font-size:2.3rem;line-height:1}
.stat span{font-size:.95rem;opacity:.92}

/* ---------- Teachers ---------- */
.teacher-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.teacher-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.3s var(--ease)}
.teacher-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.teacher-photo{position:relative;aspect-ratio:4/4.3;overflow:hidden}
.teacher-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.teacher-card:hover .teacher-photo img{transform:scale(1.06)}
.teacher-flag{position:absolute;top:12px;right:12px;background:#fff;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;font-size:1.2rem;box-shadow:var(--shadow-sm)}
.teacher-body{padding:1.2rem 1.3rem 1.5rem}
.teacher-body h3{font-size:1.15rem}
.teacher-role{color:var(--blue);font-weight:600;font-size:.82rem;margin:.25rem 0 .6rem}
.teacher-bio{color:var(--ink-soft);font-size:.88rem;margin-bottom:.9rem}
.teacher-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.teacher-tags span{background:var(--bg-alt);border:1px solid var(--line);color:var(--ink-soft);
  font-size:.74rem;font-weight:600;padding:.28rem .6rem;border-radius:999px}

/* ---------- Testimonials ---------- */
.testimonials{background:var(--bg-alt)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;
  box-shadow:var(--shadow-sm);transition:.3s var(--ease)}
.testi-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.stars{color:var(--yellow);font-size:1.05rem;letter-spacing:2px;margin-bottom:.9rem}
.testi-card p{color:var(--ink);font-size:1rem;margin-bottom:1.3rem}
.testi-card footer{display:flex;align-items:center;gap:.8rem}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;
  font-family:'Sora';font-weight:700;font-size:.95rem}
.testi-card footer strong{display:block;font-family:'Sora';font-size:.98rem}
.testi-card footer small{color:var(--muted);font-size:.82rem}

/* ---------- Contact ---------- */
.contact{background:
  radial-gradient(900px 500px at 100% 0,var(--blue-soft),transparent 55%),var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.contact-info{background:var(--grad);color:#fff;border-radius:var(--radius);padding:2.6rem;box-shadow:var(--shadow-lg)}
.contact-info h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:.8rem 0}
.contact-info>p{opacity:.95;margin-bottom:1.6rem}
.contact-list{display:grid;gap:.9rem}
.contact-list li{display:flex;align-items:center;gap:.7rem;font-size:.96rem}
.contact-list li span{font-size:1.15rem}

.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem;box-shadow:var(--shadow)}
.form-row{margin-bottom:1.1rem}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-form label{display:block;font-family:'Sora';font-weight:600;font-size:.86rem;color:var(--ink)}
.contact-form input,.contact-form select{
  width:100%;margin-top:.4rem;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:'Inter';font-size:.95rem;color:var(--ink);background:var(--bg-alt);transition:.2s}
.contact-form input:focus,.contact-form select:focus{outline:none;border-color:var(--blue);background:#fff;
  box-shadow:0 0 0 4px var(--blue-soft)}
.contact-form input.invalid,.contact-form select.invalid{border-color:var(--orange);box-shadow:0 0 0 4px var(--orange-soft)}
.form-note{font-size:.8rem;color:var(--muted);text-align:center;margin-top:.9rem}
.form-success{margin-top:1rem;background:var(--blue-soft);color:var(--blue-dark);border-radius:var(--radius-sm);
  padding:1rem;text-align:center;font-weight:600;font-size:.95rem}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#C3CADA;padding:3.5rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem}
.footer .brand{color:#fff;margin-bottom:1rem}
.footer-brand p{font-size:.92rem;max-width:22rem;margin-bottom:1.2rem}
.footer-social{display:flex;gap:1rem}
.footer-social a{font-size:.86rem;color:#9AA4BC;transition:color .2s}
.footer-social a:hover{color:var(--yellow)}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:1rem}
.footer-col a,.footer-col span{display:block;font-size:.9rem;color:#9AA4BC;margin-bottom:.6rem;transition:color .2s}
.footer-col a:hover{color:var(--blue);color:#7FA9FF}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:3rem;padding:1.4rem 0}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.85rem;color:#8A93A6}

/* ---------- To top ---------- */
.to-top{position:fixed;bottom:26px;right:26px;width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;
  background:var(--blue);color:#fff;font-size:1.3rem;box-shadow:0 12px 26px rgba(45,108,255,.4);z-index:90;
  opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s var(--ease)}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--blue-dark);transform:translateY(-4px)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .teacher-grid{grid-template-columns:repeat(2,1fr)}
  .price-card.popular{transform:none}
  .price-card.popular:hover{transform:translateY(-8px)}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:2.4rem}
  .hero-visual{max-width:520px;margin-inline:auto;width:100%}
  .lang-panel{grid-template-columns:1fr;gap:1.6rem}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-links{position:fixed;top:var(--nav-h);right:0;height:calc(100vh - var(--nav-h));width:min(300px,80%);
    flex-direction:column;align-items:flex-start;gap:1.4rem;background:#fff;padding:2rem;
    box-shadow:-16px 0 40px rgba(20,27,46,.12);transform:translateX(105%);transition:transform .35s var(--ease)}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:1.1rem}
  .nav-cta{width:100%;text-align:center;justify-content:center}
  .hamburger{display:flex}
}
@media (max-width:640px){
  .counters{grid-template-columns:1fr 1fr;gap:.6rem 0}
  .counter:nth-child(2)::after{display:none}
  .counter:nth-child(odd)::after{display:none}
  .stats-inner{grid-template-columns:1fr 1fr;gap:1.6rem}
  .pricing-grid{grid-template-columns:1fr}
  .teacher-grid{grid-template-columns:1fr 1fr}
  .testi-grid{grid-template-columns:1fr}
  .lp-levels{grid-template-columns:1fr}
  .form-row-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom .container{justify-content:center;text-align:center}
  .section{padding:4rem 0}
}
@media (max-width:420px){
  .teacher-grid{grid-template-columns:1fr}
  .hero-photo img{height:340px}
}