/* ===== ЕГЭ без паники — стили ===== */
*{margin:0;padding:0;box-sizing:border-box}

:root{
  --rose: #C4849A;
  --lavender: #A898BF;
  --blue: #8CBFD6;
  --peach: #E8C4A8;
  --plum: #6E5A7E;
  --bg: #FFFFFF;
  --dark: #3D3145;
  --gray: #9E8FA0;
  --coral: #FF8A80;
  --yellow: #FFE066;

  --rose-light: #f3e4ea;
  --lavender-light: #ede8f4;
  --blue-light: #e4f1f7;
  --peach-light: #f8ede2;
  --plum-light: #e8e0ed;

  --font: 'Nunito', sans-serif;
  --font-hand: 'Caveat', cursive;
  --max-w: 1100px;
  --radius: 20px;
  --shadow: 0 4px 24px rgba(61,49,69,.08);
}

html{scroll-behavior:smooth}
body{
  font-family: var(--font);
  background: var(--bg);
  color: var(--dark);
  overflow-x: hidden;
  font-size: 17px;
  line-height: 1.6;
}
.hand{font-family: var(--font-hand)}
img{max-width:100%;display:block}
a{color: var(--plum);text-decoration:none}
a:hover{text-decoration:underline}

/* ===== LAYOUT ===== */
.container{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
section{padding: 80px 0}

/* ===== HERO ===== */
.hero{
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  overflow: hidden;
  background: linear-gradient(170deg, var(--lavender-light) 0%, var(--bg) 40%, var(--rose-light) 100%);
}

/* decorative blobs */
.hero::before{
  content:'';position:absolute;top:-100px;right:-60px;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle, rgba(168,152,191,.2), transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:'';position:absolute;bottom:-80px;left:-80px;
  width:350px;height:350px;border-radius:50%;
  background:radial-gradient(circle, rgba(196,132,154,.15), transparent 70%);
  pointer-events:none;
}

.hero-inner{
  position: relative;
  z-index: 2;
  max-width: 700px;
}

/* floating stickers */
.sticker{
  position:absolute;
  padding:10px 18px;border-radius:14px;
  font-weight:700;font-size:15px;
  box-shadow: var(--shadow);
  transform:rotate(var(--r));
  animation:float 5s ease-in-out infinite;
  z-index:1;
  white-space:nowrap;
}
.sticker:nth-child(1){top:10%;left:4%;--r:-5deg;background:var(--yellow);color:var(--dark);animation-delay:0s}
.sticker:nth-child(2){top:16%;right:3%;--r:4deg;background:var(--coral);color:#fff;animation-delay:1s}
.sticker:nth-child(3){bottom:24%;left:3%;--r:3deg;background:var(--blue);color:var(--dark);animation-delay:2s}
.sticker:nth-child(4){bottom:18%;right:4%;--r:-4deg;background:var(--plum);color:#fff;animation-delay:3s}

@keyframes float{0%,100%{translate:0 0}50%{translate:0 -10px}}

.badge{
  display:inline-block;
  background: var(--plum);
  color:#fff;
  padding:6px 20px;
  border-radius:20px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:20px;
}

.hero h1{
  font-size:clamp(38px,7vw,68px);
  font-weight:900;
  line-height:1.08;
  margin-bottom:12px;
  color: var(--dark);
}
.hero h1 .highlight{
  position:relative;display:inline-block;
  color: var(--plum);
}
.hero h1 .highlight::after{
  content:'';position:absolute;left:-4px;right:-4px;bottom:4px;
  height:14px;background:var(--yellow);opacity:.5;
  border-radius:4px;z-index:-1;
  transform:skewX(-3deg);
}

.hero .subtitle{
  font-size:clamp(18px,3.5vw,24px);
  color: var(--gray);
  font-weight:700;
  margin-bottom:12px;
}
.hero .subtitle .hand{
  color: var(--coral);
  font-size:1.15em;
}

.hero .author-line{
  font-size: 16px;
  color: var(--plum);
  font-weight: 700;
  margin-bottom: 32px;
}

/* stats */
.stats{
  display:flex;gap:16px;flex-wrap:wrap;justify-content:center;
  margin-bottom:36px;
}
.stat{
  background:#fff;
  border-radius:16px;
  padding:16px 24px;
  box-shadow: var(--shadow);
  text-align:center;
  min-width:120px;
}
.stat .num{font-size:30px;font-weight:900;color:var(--plum)}
.stat .label{font-size:12px;color:var(--gray);font-weight:700;margin-top:2px;text-transform:uppercase;letter-spacing:.5px}

/* CTA buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font);
  font-size:18px;font-weight:800;
  padding:16px 36px;border-radius:16px;border:none;cursor:pointer;
  transition:transform .2s,box-shadow .2s;
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px);text-decoration:none}

.btn-coral{
  background:var(--coral);color:#fff;
  box-shadow:0 6px 24px rgba(255,138,128,.35);
}
.btn-coral:hover{box-shadow:0 8px 32px rgba(255,138,128,.5)}

.btn-outline{
  background:transparent;
  color:var(--plum);
  border:2px solid var(--plum);
  box-shadow: none;
}
.btn-outline:hover{background:var(--plum-light)}

.btn svg{width:20px;height:20px}

.hero-buttons{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
}

/* ===== SECTION TITLES ===== */
.section-header{text-align:center;margin-bottom:48px}
.section-tag{
  display:inline-block;
  background:var(--lavender-light);
  color:var(--plum);
  padding:4px 14px;
  border-radius:12px;
  font-size:13px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1px;
  margin-bottom:12px;
}
.section-title{
  font-size:clamp(28px,5vw,42px);
  font-weight:900;
  line-height:1.15;
  margin-bottom:8px;
}
.section-sub{
  color:var(--gray);
  font-size:17px;
  max-width:550px;
  margin:0 auto;
}

/* ===== ABOUT AUTHOR ===== */
.about{
  background: linear-gradient(135deg, var(--peach-light) 0%, var(--lavender-light) 100%);
}
.about-grid{
  display:grid;
  grid-template-columns: 1fr 1.3fr;
  gap:48px;
  align-items:center;
}
.about-photo{
  width:100%;
  aspect-ratio:3/4;
  border-radius:var(--radius);
  background: var(--rose-light);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  box-shadow: var(--shadow);
}
.about-photo img{width:100%;height:100%;object-fit:cover}
.about-photo .placeholder{
  text-align:center;
  color:var(--gray);
  font-size:15px;
  padding:24px;
}
.about-text h2{
  font-size:32px;
  font-weight:900;
  margin-bottom:16px;
}
.about-text h2 span{color:var(--plum)}
.about-text p{
  margin-bottom:16px;
  font-size:17px;
}
.about-facts{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:24px;
}
.fact{
  background:#fff;
  border-radius:14px;
  padding:16px;
  box-shadow: var(--shadow);
}
.fact .fact-num{font-size:24px;font-weight:900;color:var(--plum)}
.fact .fact-label{font-size:13px;color:var(--gray);font-weight:600}

/* ===== MODULES ===== */
.modules-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:20px;
}
.module-card{
  background:#fff;
  border-radius:var(--radius);
  padding:28px 24px;
  box-shadow: var(--shadow);
  transition:transform .2s;
  cursor:default;
  border-left:4px solid var(--lavender);
}
.module-card:hover{transform:translateY(-3px)}
.module-card:nth-child(2){border-left-color:var(--rose)}
.module-card:nth-child(3){border-left-color:var(--blue)}
.module-card:nth-child(4){border-left-color:var(--peach)}
.module-card:nth-child(5){border-left-color:var(--plum)}

.module-card .icon{
  width:48px;height:48px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
  margin-bottom:14px;
  background:var(--lavender-light);
}
.module-card:nth-child(2) .icon{background:var(--rose-light)}
.module-card:nth-child(3) .icon{background:var(--blue-light)}
.module-card:nth-child(4) .icon{background:var(--peach-light)}
.module-card:nth-child(5) .icon{background:var(--plum-light)}

.module-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.module-card p{font-size:14px;color:var(--gray);line-height:1.5}

/* ===== WHAT YOU GET ===== */
.get-section{
  background: var(--lavender-light);
}
.get-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:20px;
}
.get-card{
  background:#fff;
  border-radius:var(--radius);
  padding:32px 24px;
  text-align:center;
  box-shadow: var(--shadow);
  transition:transform .2s;
}
.get-card:hover{transform:translateY(-3px)}
.get-card .get-icon{
  font-size:40px;
  margin-bottom:16px;
}
.get-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.get-card p{font-size:14px;color:var(--gray)}

/* ===== DEMO CTA ===== */
.demo-cta{
  background: linear-gradient(135deg, var(--plum) 0%, #8B6FA0 100%);
  color:#fff;
  text-align:center;
  border-radius: var(--radius);
  padding:60px 40px;
  margin:0 24px;
  max-width: var(--max-w);
  margin-left:auto;
  margin-right:auto;
  position:relative;
  overflow:hidden;
}
.demo-cta::before{
  content:'';position:absolute;top:-40px;right:-40px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.demo-cta h2{font-size:clamp(26px,4vw,36px);font-weight:900;margin-bottom:12px}
.demo-cta p{font-size:18px;opacity:.9;margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto}
.demo-cta .btn{
  background:var(--yellow);
  color:var(--dark);
  font-size:20px;
  box-shadow:0 6px 24px rgba(0,0,0,.2);
}
.demo-cta .btn:hover{box-shadow:0 8px 32px rgba(0,0,0,.3)}

/* ===== TARIFFS ===== */
.tariffs-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:24px;
  align-items:start;
}
.tariff-card{
  background:#fff;
  border-radius:var(--radius);
  padding:36px 28px;
  box-shadow: var(--shadow);
  text-align:center;
  position:relative;
  overflow:hidden;
  transition:transform .2s;
}
.tariff-card:hover{transform:translateY(-3px)}
.tariff-card.popular{
  border:3px solid var(--plum);
  transform:scale(1.04);
}
.tariff-card.popular:hover{transform:scale(1.04) translateY(-3px)}

.tariff-badge{
  position:absolute;top:16px;right:-32px;
  background:var(--coral);color:#fff;
  font-size:11px;font-weight:900;
  padding:4px 40px;
  transform:rotate(35deg);
  text-transform:uppercase;
  letter-spacing:1px;
}

.tariff-name{
  font-size:22px;font-weight:900;
  color:var(--plum);
  margin-bottom:8px;
}
.tariff-price{
  font-size:36px;font-weight:900;
  color:var(--dark);
  margin-bottom:4px;
}
.tariff-price small{
  font-size:14px;color:var(--gray);font-weight:700;
}
.tariff-period{
  font-size:13px;color:var(--gray);margin-bottom:24px;
}

.tariff-features{
  list-style:none;
  text-align:left;
  margin-bottom:28px;
}
.tariff-features li{
  padding:8px 0;
  padding-left:28px;
  position:relative;
  font-size:15px;
  border-bottom:1px solid var(--lavender-light);
}
.tariff-features li:last-child{border:none}
.tariff-features li::before{
  content:'';
  position:absolute;left:0;top:12px;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--plum);
  /* checkmark via CSS */
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E");
  background-size:12px;
  background-repeat:no-repeat;
  background-position:center;
}

.tariff-card .btn{width:100%;justify-content:center}

/* ===== FAQ ===== */
.faq-list{max-width:700px;margin:0 auto}
.faq-item{
  background:#fff;
  border-radius:16px;
  margin-bottom:12px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.faq-q{
  padding:20px 24px;
  font-weight:800;
  font-size:17px;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.faq-q::after{
  content:'+';
  font-size:24px;
  font-weight:400;
  color:var(--plum);
  transition:transform .3s;
  flex-shrink:0;
}
.faq-item.open .faq-q::after{
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease, padding .3s ease;
}
.faq-item.open .faq-a{
  max-height:300px;
  padding:0 24px 20px;
}
.faq-a p{
  font-size:15px;
  color:var(--gray);
  line-height:1.7;
}

/* ===== FOOTER ===== */
.footer{
  text-align:center;
  padding:40px 24px;
  color:var(--gray);
  font-size:14px;
  background:var(--lavender-light);
}
.footer a{color:var(--plum)}
.footer .footer-links{
  display:flex;
  gap:24px;
  justify-content:center;
  margin-bottom:12px;
  flex-wrap:wrap;
}

/* ===== ANIMATIONS ===== */
.fade-up{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s ease, transform .6s ease;
}
.fade-up.visible{
  opacity:1;
  transform:translateY(0);
}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  section{padding:60px 0}

  .about-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .about-photo{
    max-width:300px;
    margin:0 auto;
  }
  .about-facts{grid-template-columns:1fr 1fr}

  .stats{gap:10px}
  .stat{padding:12px 14px;min-width:90px}
  .stat .num{font-size:24px}

  .tariffs-grid{grid-template-columns:1fr}
  .tariff-card.popular{transform:none}
  .tariff-card.popular:hover{transform:translateY(-3px)}

  .sticker{font-size:13px;padding:8px 14px}

  .demo-cta{margin:0 16px;padding:40px 24px}
}

@media(max-width:480px){
  .hero-buttons{flex-direction:column;align-items:center}
  .btn{width:100%;justify-content:center}
  .about-facts{grid-template-columns:1fr}
  .modules-grid{grid-template-columns:1fr}
  .get-grid{grid-template-columns:1fr 1fr}
}

/* ===================================================
   SHARED COMPONENTS (used across all pages)
   =================================================== */

/* Additional color vars */
:root{
  --green: #4caf50;
  --green-light: #e8f5e9;
  --red: #c62828;
  --red-light: #fce4ec;
}

/* ===== SITE NAV (top bar) ===== */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(168,152,191,.15);
  transition:box-shadow .2s;
}
.site-nav.scrolled{box-shadow:0 2px 12px rgba(61,49,69,.08)}
.site-nav-logo{display:flex;align-items:center;gap:8px;font-weight:900;font-size:15px;color:var(--plum);text-decoration:none}
.site-nav-logo:hover{text-decoration:none}
.site-nav-logo img{width:28px;height:28px}
.site-nav-links{display:flex;align-items:center;gap:12px;font-size:13px}
.site-nav-links a{color:var(--plum);font-weight:700;text-decoration:none}
.site-nav-links a:hover{text-decoration:underline}
.site-nav-user{display:flex;align-items:center;gap:6px;background:var(--lavender-light);padding:4px 12px 4px 4px;border-radius:18px;text-decoration:none;transition:all .15s}
.site-nav-user:hover{background:var(--plum-light);text-decoration:none}
.site-nav-user img{width:26px;height:26px;border-radius:50%}
.site-nav-user span{font-weight:800;font-size:12px;color:var(--plum)}
.site-nav-auth{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--lavender-light);transition:all .15s;text-decoration:none}
.site-nav-auth:hover{background:var(--plum-light)}
.site-nav-auth svg{width:18px;height:18px;stroke:var(--plum);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.site-nav + *{padding-top:56px} /* offset for fixed nav */

/* ===== SITE FOOTER ===== */
.site-footer{
  text-align:center;padding:32px 24px;
  color:var(--gray);font-size:13px;
  background:var(--lavender-light);
  margin-top:40px;
}
.site-footer a{color:var(--plum)}
.site-footer-links{display:flex;gap:16px;justify-content:center;margin-bottom:8px;flex-wrap:wrap}

/* ===== TEXT JUSTIFY for questions ===== */
.q-text{text-align:justify;hyphens:auto;-webkit-hyphens:auto}

/* ===== SHARED BUTTONS ===== */
.s-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:5px;
  padding:10px 20px;border-radius:10px;border:none;
  font-family:var(--font);font-size:14px;font-weight:800;
  cursor:pointer;transition:all .12s;text-decoration:none;white-space:nowrap;
}
.s-btn:hover{transform:translateY(-1px);text-decoration:none}
.s-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.s-btn-plum{background:var(--plum);color:#fff}
.s-btn-coral{background:var(--coral);color:#fff}
.s-btn-green{background:var(--green);color:#fff}
.s-btn-outline{background:transparent;border:2px solid var(--lavender);color:var(--plum)}
.s-btn-outline:hover{background:var(--plum-light)}
.s-btn-sm{padding:6px 12px;font-size:12px}
.s-btn-lg{padding:14px 28px;font-size:16px}

/* ===== SHARED FORM FIELDS ===== */
.s-field{margin-bottom:14px}
.s-field label{display:block;font-weight:700;font-size:13px;margin-bottom:4px;color:var(--gray)}
.s-field input,.s-field select,.s-field textarea{
  width:100%;padding:10px 14px;
  border:2px solid var(--lavender-light);border-radius:10px;
  font-family:var(--font);font-size:14px;font-weight:600;outline:none;
  transition:border-color .15s;
}
.s-field input:focus,.s-field select:focus,.s-field textarea:focus{border-color:var(--plum)}
.s-field textarea{min-height:80px;resize:vertical}

/* ===== SHARED CARD ===== */
.s-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:14px}

/* ===== SHARED MODAL ===== */
.s-modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:100;align-items:center;justify-content:center;padding:16px}
.s-modal-bg.show{display:flex}
.s-modal{background:#fff;border-radius:var(--radius);padding:24px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 40px rgba(0,0,0,.2)}
.s-modal h2{font-size:17px;font-weight:900;color:var(--plum);margin-bottom:14px}
.s-modal-actions{display:flex;gap:6px;justify-content:flex-end;margin-top:14px}

/* ===== AVATAR ===== */
.s-avatar{border-radius:50%;flex-shrink:0;object-fit:cover}

/* ===== TOAST ===== */
.s-toast{position:fixed;bottom:20px;right:20px;background:var(--green);color:#fff;padding:10px 18px;border-radius:10px;font-weight:700;font-size:13px;box-shadow:0 4px 16px rgba(0,0,0,.2);z-index:200;display:none;font-family:var(--font)}
.s-toast.show{display:block;animation:toast-in .25s ease}
@keyframes toast-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ===== BADGES ===== */
.s-badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:800}
.s-badge-ok{background:var(--green-light);color:#2e7d32}
.s-badge-warn{background:var(--yellow);color:var(--dark)}
.s-badge-err{background:var(--red-light);color:var(--red)}
.s-badge-plum{background:var(--plum-light);color:var(--plum)}

/* ===== RESPONSIVE HELPERS ===== */
@media(max-width:600px){
  .site-nav-links{gap:8px;font-size:12px}
  .s-btn-lg{padding:12px 20px;font-size:14px}
}

@media(max-width:400px){
  .site-nav{padding:8px 12px}
  .site-nav-links{gap:6px}
}