/* Preply.guide — independent guide site (not affiliated with Preply.com)
   Brand palette: coral/orange primary, deep navy text, off-white background */
:root{
  --primary:#ff6b3d;
  --primary-dark:#e85522;
  --accent:#ff3d6b;
  --ink:#1a1a2e;
  --muted:#4a4a68;
  --soft:#f6f7fb;
  --line:#e5e7ef;
  --ok:#1aa46a;
  --warn:#d97706;
  --radius:14px;
  --shadow:0 6px 24px rgba(20,20,40,.08);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:10px}
a{color:var(--primary-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);margin:1.4em 0 .5em;font-weight:800}
h1{font-size:clamp(2rem,4vw,2.8rem);letter-spacing:-.5px}
h2{font-size:clamp(1.55rem,2.5vw,2rem);margin-top:2em}
h3{font-size:1.25rem}
p{margin:.7em 0}
ul,ol{padding-left:1.3em;margin:.8em 0}
li{margin:.3em 0}
blockquote{
  border-left:4px solid var(--primary);
  background:var(--soft);
  margin:1.2em 0;padding:.9em 1.2em;
  border-radius:0 var(--radius) var(--radius) 0;
  color:var(--muted);font-style:italic;
}
table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:.95rem}
th,td{padding:.7em .9em;border:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--soft);font-weight:700}
code{background:var(--soft);padding:.1em .35em;border-radius:5px;font-size:.95em}

.container{max-width:var(--container);margin:0 auto;padding:0 22px}

/* ==== Header ==== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:18px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:38px;width:auto;border-radius:0}
.main-nav{display:flex;gap:22px;margin-left:18px;flex-wrap:wrap}
.main-nav a{color:var(--ink);font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--primary-dark);text-decoration:none}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang-switch{position:relative}
.lang-switch summary{
  list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--line);
  border-radius:10px;font-weight:600;font-size:.9rem;user-select:none;
}
.lang-switch summary::-webkit-details-marker{display:none}
.lang-menu{
  position:absolute;right:0;top:110%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);border-radius:12px;padding:10px;
  display:grid;grid-template-columns:repeat(2,minmax(120px,1fr));gap:4px;
  min-width:280px;z-index:80;max-height:420px;overflow:auto;
}
.lang-menu a{padding:7px 10px;border-radius:8px;color:var(--ink);font-size:.9rem}
.lang-menu a:hover{background:var(--soft);text-decoration:none}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:700;font-size:1rem;
  background:var(--primary);color:#fff !important;border:none;cursor:pointer;
  transition:transform .15s ease,background .2s;
  box-shadow:0 4px 14px rgba(255,107,61,.35);
}
.btn:hover{background:var(--primary-dark);text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink) !important;border:1.5px solid var(--ink);box-shadow:none}
.btn.ghost:hover{background:var(--ink);color:#fff !important}
.btn.sm{padding:9px 16px;font-size:.9rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:1.5em 0}

.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* ==== Hero ==== */
.hero{
  background:linear-gradient(135deg,#fff7f1 0%,#fff 60%,#fff1f5 100%);
  padding:64px 0 56px;
  position:relative;overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.hero h1{margin-top:0}
.eyebrow{
  display:inline-block;background:#ffe7dd;color:var(--primary-dark);
  font-size:.8rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;margin-bottom:10px;
}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:54ch}
.hero-disclaimer{
  margin-top:18px;font-size:.78rem;color:var(--muted);
  display:inline-block;border-bottom:1px dotted var(--muted);cursor:help;
}
.hero img{box-shadow:var(--shadow)}
.trust-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:22px;font-size:.9rem;color:var(--muted)}
.trust-row span strong{color:var(--ink);font-size:1.15rem;display:block}

/* ==== Sections / Cards ==== */
section{padding:48px 0}
.section-title{text-align:center;max-width:680px;margin:0 auto 28px}
.section-title p{color:var(--muted);font-size:1.05rem}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:transform .15s,box-shadow .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{margin-top:.2em}
.card .icon{
  width:46px;height:46px;border-radius:12px;background:#fff1ea;color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:10px;
}
.lang-card{
  display:flex;align-items:center;gap:14px;padding:16px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  color:var(--ink) !important;font-weight:600;
}
.lang-card:hover{border-color:var(--primary);text-decoration:none;background:var(--soft)}
.lang-card .flag{font-size:1.7rem}

.callout{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;border-radius:var(--radius);padding:34px;text-align:center;margin:32px 0;
}
.callout h2,.callout h3{color:#fff;margin-top:0}
.callout .btn{background:#fff;color:var(--primary-dark) !important}
.callout .btn:hover{background:#fff7f1}

/* ==== Article body ==== */
.article{max-width:820px;margin:0 auto;padding:32px 0}
.article .meta{color:var(--muted);font-size:.92rem;margin-bottom:1em}
.toc{
  background:var(--soft);border-radius:var(--radius);padding:18px 22px;margin:18px 0;
  border-left:4px solid var(--primary);
}
.toc h4{margin:.2em 0 .5em;font-size:1rem;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.toc ol{margin:0;padding-left:1.2em}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;margin:10px 0;
}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";margin-right:10px;color:var(--primary);font-weight:800}
.faq details[open] summary::before{content:"−"}

.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:1.5em 0}
.pros-cons .box{padding:18px;border-radius:12px;border:1px solid var(--line)}
.pros-cons .pros{background:#effaf3;border-color:#c8ecd6}
.pros-cons .cons{background:#fef1f1;border-color:#f3cccc}
.pros-cons h4{margin:.1em 0 .5em}

/* ==== Footer ==== */
.site-footer{background:#0f1020;color:#cfd0dd;padding:48px 0 24px;margin-top:64px}
.site-footer a{color:#cfd0dd}
.site-footer h4{color:#fff;margin:.2em 0 .7em;font-size:1rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin:.35em 0}
.disclaimer-box{
  background:#1a1b32;border:1px solid #2a2c4a;border-radius:10px;
  padding:14px 18px;font-size:.85rem;color:#b9bacb;line-height:1.55;
}
.disclaimer-box strong{color:#fff}
.copyline{border-top:1px solid #2a2c4a;padding-top:18px;margin-top:18px;font-size:.85rem;color:#9799b3;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ==== Responsive ==== */
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .pros-cons{grid-template-columns:1fr}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;padding:18px;border-bottom:1px solid var(--line);gap:14px;
  }
  .main-nav.open{display:flex}
  .menu-toggle{display:inline-flex}
  .nav{position:relative}
}
@media (max-width: 560px){
  body{font-size:16px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:44px 0 36px}
  section{padding:36px 0}
  .lang-menu{grid-template-columns:1fr;min-width:200px}
}