/* ===== English House — style.css ===== */
:root{
  --teal:#0f766e;--teal-d:#0b5850;--teal-l:#14b8a6;
  --blue:#1e3a8a;--ink:#0f172a;--slate:#475569;--muted:#64748b;
  --amber:#f59e0b;--amber-d:#d97706;
  --bg:#ffffff;--bg-alt:#f0fdfa;--line:#e2e8f0;--card:#ffffff;
  --ring:rgba(15,118,110,.15);
  --shadow-sm:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
  --shadow:0 10px 30px -12px rgba(15,23,42,.18);
  --shadow-lg:0 24px 60px -20px rgba(15,23,42,.28);
  --radius:16px;--radius-sm:10px;--maxw:1160px;
  --font:'Segoe UI',system-ui,-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,'Times New Roman',serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
h1,h2,h3{line-height:1.18;color:var(--ink);margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--teal);margin:0 0 .6rem}
.section-head{max-width:720px;margin:0 auto 52px;text-align:center}
.section-sub{color:var(--slate);font-size:1.06rem;margin:0}
.skip-link{position:absolute;left:-999px;top:0;background:var(--teal);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:linear-gradient(135deg,var(--amber),var(--amber-d));color:#3b2503;
  font-weight:700;font-size:1rem;padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  box-shadow:0 8px 20px -8px rgba(217,119,6,.6);transition:transform .15s,box-shadow .15s,filter .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px -8px rgba(217,119,6,.7);filter:brightness(1.03)}
.btn:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--teal);box-shadow:none;border:2px solid var(--teal)}
.btn-ghost:hover{background:var(--teal);color:#fff;box-shadow:none}
.btn-sm{padding:9px 18px;font-size:.92rem}
.btn-block{width:100%}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.3rem;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--teal),var(--teal-l));color:#fff;font-family:var(--serif);
  font-size:1.25rem;box-shadow:var(--shadow-sm)}
.brand-text span{color:var(--teal)}
.nav-list{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.nav-list a{color:var(--slate);font-weight:600;font-size:.97rem;padding:8px 12px;border-radius:8px;transition:color .15s,background .15s}
.nav-list a:hover{color:var(--teal);background:var(--bg-alt)}
.nav-list a.btn{color:#3b2503}
.nav-toggle,.nav-burger{display:none}

/* Hero */
.hero{padding:70px 0 84px;background:
  radial-gradient(1100px 480px at 82% -10%,rgba(20,184,166,.14),transparent 60%),
  radial-gradient(900px 420px at 10% 0%,rgba(30,58,138,.07),transparent 55%),
  linear-gradient(180deg,#f7fdfc,#ffffff)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.tamil-tag{font-size:1.15rem;color:var(--teal-d);font-weight:700;margin:-.2rem 0 .9rem}
.lead{font-size:1.16rem;color:var(--slate);max-width:36ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:1.6rem 0 2rem}
.hero-stats{display:flex;gap:30px;list-style:none;margin:0;padding:1.4rem 0 0;border-top:1px solid var(--line)}
.hero-stats strong{display:block;font-size:1.7rem;color:var(--teal);font-weight:800;line-height:1}
.hero-stats span{font-size:.86rem;color:var(--muted)}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}

/* About */
.about-grid,.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-media img,.why-media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.tick-list{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:12px}
.tick-list li{position:relative;padding-left:34px;font-weight:600;color:var(--ink)}
.tick-list li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--bg-alt) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f766e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;
  border:1px solid var(--ring)}

/* Courses */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--ring)}
.card-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--teal),var(--teal-l));color:#fff;margin-bottom:16px}
.card-icon svg{width:26px;height:26px}
.card p{margin:0;color:var(--slate);font-size:.98rem}
.card-cta{background:linear-gradient(150deg,var(--teal),var(--teal-d));color:#fff;display:flex;
  flex-direction:column;align-items:flex-start;justify-content:center}
.card-cta h3,.card-cta p{color:#fff}.card-cta p{margin-bottom:18px;opacity:.92}

/* Why */
.why-list{display:grid;gap:22px;margin-top:1.6rem}
.why-item{display:flex;gap:16px}
.why-ico{flex:0 0 auto;display:grid;place-items:center;width:46px;height:46px;border-radius:12px;
  background:var(--bg-alt);color:var(--teal);border:1px solid var(--ring)}
.why-ico svg{width:23px;height:23px}
.why-item h3{margin:0 0 3px;font-size:1.08rem}
.why-item p{margin:0;color:var(--slate);font-size:.97rem}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{margin:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.stars{color:var(--amber);letter-spacing:2px;font-size:1.05rem;margin-bottom:12px}
.quote blockquote{margin:0 0 20px;font-size:1.01rem;color:var(--ink);line-height:1.6;flex:1}
.quote figcaption{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.avatar{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--teal))}
.quote figcaption strong{display:block;font-size:.98rem}
.quote figcaption small{color:var(--muted);font-size:.85rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-list{list-style:none;margin:1.8rem 0 0;padding:0;display:grid;gap:18px}
.contact-list li{display:flex;align-items:center;gap:15px}
.c-ico{flex:0 0 auto;display:grid;place-items:center;width:48px;height:48px;border-radius:12px;
  background:var(--bg-alt);color:var(--teal);border:1px solid var(--ring)}
.c-ico svg{width:22px;height:22px}
.contact-list strong{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.contact-list a,.contact-list span{font-weight:700;color:var(--ink);font-size:1.05rem}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)}
.contact-card>img{height:200px;object-fit:cover;width:100%}
.contact-form{padding:26px}
.contact-form h3{margin-bottom:16px}
.contact-form label{display:block;font-weight:600;font-size:.9rem;color:var(--slate);margin-bottom:14px}
.contact-form input,.contact-form select{width:100%;margin-top:6px;padding:12px 14px;font:inherit;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.contact-form input:focus,.contact-form select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px var(--ring)}
.form-note{font-size:.8rem;color:var(--muted);margin:12px 0 0;text-align:center}

/* Footer */
.site-footer{background:var(--ink);color:#cbd5e1}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.brand-footer{color:#fff}.brand-footer .brand-text span{color:var(--teal-l)}
.footer-brand p{margin:16px 0 0;color:#94a3b8;font-size:.95rem;max-width:38ch}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav a,.footer-contact a{color:#cbd5e1;font-size:.95rem}
.footer-nav a:hover,.footer-contact a:hover{color:var(--teal-l)}
.footer-contact p{margin:0 0 10px;font-size:.95rem}
.footer-bar{border-top:1px solid rgba(255,255,255,.1)}
.footer-bar p{margin:0;padding:20px 0;text-align:center;font-size:.86rem;color:#94a3b8}

/* Responsive */
@media(max-width:960px){
  .hero-grid,.about-grid,.why-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .about-media{order:-1}
  .cards,.quotes{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media(max-width:760px){
  .nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
    border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
  .nav-burger span{display:block;width:22px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px;transition:.2s}
  .nav-list{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 18px;box-shadow:var(--shadow);
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:max-height .28s,opacity .2s}
  .nav-toggle:checked~.nav-list{max-height:420px;opacity:1;pointer-events:auto}
  .nav-list a{padding:12px 10px}
  .nav-list a.btn{margin-top:6px;text-align:center;justify-content:center}
  .hero-stats{gap:22px;flex-wrap:wrap}
}
@media(max-width:560px){
  body{font-size:16px}
  .cards,.quotes{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:26px}
  .hero-cta .btn{flex:1}
}