/* ============================================
   BESTENGLISHLOVE — design tokens
   ============================================ */
:root{
  --bg:        #FAFAF9;
  --paper:     #FFFFFF;
  --ink:       #16162B;
  --ink-soft:  #5C5A72;
  --violet:    #5B4FCF;
  --violet-d:  #4338B8;
  --violet-t:  #EFEDFC;
  --coral:     #FF6B81;
  --coral-t:   #FFEAEF;
  --line:      #ECEAF3;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow: 0 20px 50px -20px rgba(30,25,80,.18);
  --maxw: 1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{
  font-family:'Space Grotesk',Inter,sans-serif;
  margin:0;
  letter-spacing:-.01em;
  font-weight:700;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Space Grotesk',sans-serif;
  font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--violet);
}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--coral)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,250,249,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:18px;color:var(--ink)}
.brand img{width:38px;height:38px;border-radius:10px}
.brand b{color:var(--violet)}
.nav-links{display:flex;align-items:center;gap:32px;font-size:15px;font-weight:500}
.nav-links a{text-decoration:none;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--violet)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:100px;border:none;cursor:pointer;
  text-decoration:none;transition:transform .15s ease, box-shadow .15s ease;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--violet-d)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-block{width:100%}
.header-cta{display:none}
@media(min-width:760px){.header-cta{display:inline-flex}}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
@media(min-width:920px){.hero .wrap{grid-template-columns:1.05fr .95fr}}
.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.06;margin:18px 0 20px}
.hero h1 em{font-style:normal;color:var(--violet);position:relative}
.hero-sub{font-size:18px;color:var(--ink-soft);max-width:480px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:28px}
.hero-note{font-size:14px;color:var(--ink-soft)}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px}
.trust-item{display:flex;flex-direction:column}
.trust-item b{font-family:'Space Grotesk',sans-serif;font-size:24px;color:var(--ink)}
.trust-item span{font-size:13px;color:var(--ink-soft)}

/* ---- signature element: phone chat mock ---- */
.phone{
  position:relative;
  background:var(--ink);
  border-radius:36px;
  padding:14px;
  box-shadow:var(--shadow);
  max-width:340px;
  margin:0 auto;
  transform:rotate(2deg);
}
.phone-screen{
  background:linear-gradient(165deg,#F4F2FF 0%, #FFFFFF 60%);
  border-radius:24px;
  padding:22px 16px 18px;
  min-height:420px;
  display:flex;flex-direction:column;gap:10px;
}
.phone-top{display:flex;align-items:center;gap:10px;padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid rgba(91,79,207,.1)}
.phone-top img{width:30px;height:30px;border-radius:9px}
.phone-top b{font-family:'Space Grotesk',sans-serif;font-size:14px}
.phone-top span{display:block;font-size:11px;color:#1AAE6F}
.bubble{
  max-width:78%;padding:10px 14px;border-radius:16px;font-size:13.5px;line-height:1.45;
  animation:rise .5s ease both;
}
.bubble.in{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.bubble.out{background:var(--violet);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.bubble .tr{display:block;margin-top:4px;font-size:11px;opacity:.6}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:16px;border-bottom-left-radius:4px}
.typing span{width:6px;height:6px;border-radius:50%;background:#C9C5E8;animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}
.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.3}40%{opacity:1}}
@media (prefers-reduced-motion: reduce){.bubble{animation:none}.typing span{animation:none}}

/* ---------- marquee divider ---------- */
.tape{
  background:var(--ink);overflow:hidden;padding:14px 0;
}
.tape-track{display:flex;gap:48px;white-space:nowrap;animation:scroll 28s linear infinite}
.tape span{font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.55);text-transform:uppercase}
.tape span b{color:var(--coral)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion: reduce){.tape-track{animation:none}}

/* ---------- section shell ---------- */
section{padding:88px 0}
.section-head{max-width:620px;margin-bottom:52px}
.section-head h2{font-size:clamp(28px,3.6vw,40px);line-height:1.12;margin-top:14px}
.section-head p{color:var(--ink-soft);font-size:17px;margin-top:14px}

/* ---------- about / approach ---------- */
.approach{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:760px){.approach{grid-template-columns:repeat(3,1fr)}}
.approach-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:30px 26px;position:relative;
}
.approach-card .num{
  font-family:'Space Grotesk',sans-serif;font-size:13px;color:var(--ink-soft);
  margin-bottom:18px;display:block;
}
.approach-card h3{font-size:19px;margin-bottom:10px}
.approach-card p{color:var(--ink-soft);font-size:14.5px}
.approach-card:nth-child(2){background:var(--ink);border-color:var(--ink)}
.approach-card:nth-child(2) h3,.approach-card:nth-child(2) .num{color:#fff}
.approach-card:nth-child(2) p{color:rgba(255,255,255,.65)}

/* ---------- lessons thread ---------- */
.thread{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:8px;box-shadow:var(--shadow);
}
.thread-row{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:26px 22px;border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.thread-row:last-child{border-bottom:none}
.thread-avatar{
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:18px;color:#fff;
}
.thread-row:nth-child(1) .thread-avatar{background:var(--violet)}
.thread-row:nth-child(2) .thread-avatar{background:var(--coral)}
.thread-row:nth-child(3) .thread-avatar{background:#1AAE6F}
.thread-body b{font-family:'Space Grotesk',sans-serif;font-size:17px;display:block;margin-bottom:6px}
.thread-body p{color:var(--ink-soft);font-size:15px;margin:0}
.thread-tag{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:100px;background:var(--violet-t);color:var(--violet);
}

/* ---------- mentors strip ---------- */
.mentors{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:700px){.mentors{grid-template-columns:repeat(3,1fr)}}
.mentor-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;display:flex;gap:16px;align-items:center;
}
.mentor-avatar{
  width:56px;height:56px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,var(--violet),var(--coral));
}
.mentor-card b{display:block;font-family:'Space Grotesk',sans-serif;font-size:15px}
.mentor-card span{font-size:13px;color:var(--ink-soft)}

/* ---------- subscribe / form ---------- */
.subscribe{
  background:var(--ink);border-radius:36px;padding:56px 32px;color:#fff;position:relative;overflow:hidden;
}
.subscribe::before{
  content:'';position:absolute;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,79,207,.35),transparent 70%);
  top:-180px;right:-140px;
}
.subscribe-grid{display:grid;grid-template-columns:1fr;gap:40px;position:relative;z-index:1}
@media(min-width:880px){.subscribe-grid{grid-template-columns:1fr 1fr}}
.subscribe h2{color:#fff;font-size:clamp(26px,3.4vw,36px);margin-top:14px}
.subscribe p{color:rgba(255,255,255,.65);font-size:15.5px;margin-top:14px;max-width:420px}
.perk-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.perk{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.85)}
.perk svg{flex-shrink:0;margin-top:2px}

.form-card{background:#fff;border-radius:24px;padding:30px;color:var(--ink)}
.form-card h3{font-size:19px;margin-bottom:4px}
.form-card .muted{font-size:13.5px;color:var(--ink-soft);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field .opt{color:var(--ink-soft);font-weight:400}
.field input{
  width:100%;padding:13px 16px;border-radius:12px;border:1.5px solid var(--line);
  font-family:'Inter',sans-serif;font-size:15px;background:#FAFAF9;
  transition:border-color .15s;
}
.field input:focus{outline:none;border-color:var(--violet);background:#fff}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--ink-soft);margin:18px 0 20px;line-height:1.55}
.consent input{margin-top:3px;flex-shrink:0;width:16px;height:16px;accent-color:var(--violet)}
.consent a{color:var(--violet);text-decoration:underline}
.form-msg{display:none;border-radius:14px;padding:16px 18px;font-size:14px;margin-top:6px;align-items:flex-start;gap:10px}
.form-msg.show{display:flex}
.form-msg.success{background:#EAF8F0;color:#177A4E}
.form-msg.error{background:var(--coral-t);color:#C23F54}
.field-error{display:none;color:#C23F54;font-size:12.5px;margin-top:6px}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:1px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding:22px 0}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:16px;gap:20px}
.faq-q .plus{font-size:22px;color:var(--violet);transition:transform .2s;flex-shrink:0}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{color:var(--ink-soft);font-size:14.5px;padding-top:14px;max-width:680px}

/* ---------- footer ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.6);padding:56px 0 28px}
.footer-top{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(min-width:760px){.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;color:#fff;font-size:17px;text-decoration:none;margin-bottom:12px}
.footer-brand img{width:32px;height:32px;border-radius:9px}
.footer-top p{font-size:14px;max-width:300px}
.footer-col b{display:block;color:#fff;font-family:'Space Grotesk',sans-serif;font-size:14px;margin-bottom:14px}
.footer-col a{display:block;color:rgba(255,255,255,.6);text-decoration:none;font-size:14px;margin-bottom:10px;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:13px}

/* ---------- policy page ---------- */
.policy{padding:48px 0 90px}
.policy .wrap{max-width:760px}
.policy h1{font-size:clamp(28px,4vw,38px);margin:16px 0 8px}
.policy .updated{color:var(--ink-soft);font-size:14px;margin-bottom:40px}
.policy h2{font-family:'Space Grotesk',sans-serif;font-size:19px;margin:36px 0 12px}
.policy p,.policy li{color:var(--ink-soft);font-size:15px;line-height:1.7}
.policy ul{padding-left:20px;margin:12px 0}
.policy li{margin-bottom:8px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--violet);text-decoration:none;font-weight:600;font-size:14px;margin-bottom:24px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}

:focus-visible{outline:2.5px solid var(--violet);outline-offset:2px}