/* ============================================================
   Татьяна Носова — репетитор английского и китайского
   Палитра: светлое небо + нефрит. Меняется здесь, в переменных.
   ============================================================ */

:root {
  --bg:           #FAFCFE;
  --bg-tint:      #F0F6FB;
  --ink:          #35455C;
  --ink-soft:     #6B7A92;
  --white:        #FFFFFF;

  --sky:          #BFE0F5;
  --sky-soft:     #E3F1FB;
  --sky-strong:   #5D9FD6;

  --lilac:        #DCD2F4;
  --lilac-soft:   #F0EBFB;
  --lilac-strong: #9683CE;

  --jade:         #C4E8D6;
  --jade-soft:    #E7F7EF;
  --jade-strong:  #4FA981;

  --coral:        #F2997F;
  --peach-soft:   #FFF1E4;
  --butter-soft:  #FFF6D9;
  --butter-strong:#C99F3F;

  --radius: 28px;
  --radius-s: 18px;
  --shadow: 0 14px 40px rgba(93, 159, 214, 0.14);
  --shadow-soft: 0 8px 24px rgba(93, 159, 214, 0.10);

  --font-display: "Unbounded", "Golos Text", sans-serif;
  --font-body: "Golos Text", "Segoe UI", sans-serif;
  --font-note: "Caveat", cursive;
  --font-zh: "Noto Sans SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: transparent;
  overflow-x: hidden;
  position: relative;
}

/* Background Glowing Blobs.
   Свечение делаем самим градиентом, БЕЗ filter: blur — размытие 140px
   на слоях в пол-экрана жутко грузило GPU, особенно на телефонах */
body::before, body::after {
  content: "";
  position: absolute;
  width: 50vw;
  height: 50vw;
  max-width: 800px;
  border-radius: 50%;
  opacity: 0.65;
  pointer-events: none;
  z-index: -1;
}

body::before {
  top: 2%;
  left: -15vw;
  background: radial-gradient(circle, rgba(93, 159, 214, 0.6) 0%, rgba(93, 159, 214, 0.25) 40%, transparent 68%);
}

body::after {
  top: 20%;
  right: -15vw;
  background: radial-gradient(circle, rgba(79, 169, 129, 0.6) 0%, rgba(79, 169, 129, 0.25) 40%, transparent 68%);
}

img { max-width: 100%; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--sky-strong);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
}

h2 { font-size: clamp(1.45rem, 3vw, 2.1rem); margin-bottom: 18px; }

[lang="zh"] { font-family: var(--font-zh); }

section[id] { scroll-margin-top: 90px; }

/* ============ Иконки ============ */

.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.icon--xs { width: 13px; height: 13px; stroke-width: 2.4; }

.icon--btn { width: 19px; height: 19px; }

/* ============ Кнопки ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 15px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn--primary {
  background: linear-gradient(120deg, var(--sky-strong), var(--lilac-strong));
  color: var(--white);
  box-shadow: 0 10px 24px rgba(93, 159, 214, 0.35);
}

.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(93, 159, 214, 0.45); }

.btn--jade {
  background: linear-gradient(120deg, var(--jade-strong), #72C9A0);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(79, 169, 129, 0.35);
}

.btn--jade:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(79, 169, 129, 0.45); }

.btn--wa {
  background: linear-gradient(120deg, #25D366, #128C7E);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.3);
}

.btn--wa:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(37, 211, 102, 0.4); }

/* блик, пробегающий по цветным кнопкам + фикс обрезки углов */
.btn--primary, .btn--jade, .btn--wa { 
  position: relative; 
  overflow: hidden; 
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  background-clip: padding-box;
}

.btn--primary::after, .btn--jade::after, .btn--wa::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -70%;
  width: 44%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s ease;
}

.btn--primary:hover::after, .btn--jade:hover::after, .btn--wa:hover::after { left: 130%; }

.btn--ghost {
  background: var(--white);
  border-color: var(--sky);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.btn--ghost:hover { transform: translateY(-2px); border-color: var(--sky-strong); }

.btn--small { padding: 10px 20px; font-size: 0.92rem; }

.btn--wide { width: 100%; }

/* ============ Навигация ============ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 252, 254, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(191, 224, 245, 0.45);
  transition: box-shadow 0.25s ease;
}

.nav--scrolled { box-shadow: 0 8px 28px rgba(93, 159, 214, 0.14); }

.nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.nav__logo-icon { width: 26px; height: 26px; color: var(--sky-strong); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__links a:not(.btn) {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.97rem;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}

.nav__links a:not(.btn):hover { color: var(--sky-strong); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav__burger span {
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============ Hero ============ */

.hero {
  position: relative;
  background: linear-gradient(180deg, #E8F3FC 0%, #F2F9F5 78%, var(--bg) 100%);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 3; /* Выше холста с пузырями */
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 24px 88px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
}

.hero__eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--sky-strong);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.9rem);
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  white-space: nowrap;
}

.accent-en {
  background: linear-gradient(transparent 62%, var(--sky) 62%);
  border-radius: 4px;
}

.accent-zh {
  background: linear-gradient(transparent 62%, var(--jade) 62%);
  border-radius: 4px;
}

.hero__sub {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 30em;
  margin-bottom: 30px;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }

.hero__gift {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 38em;
  margin-bottom: 28px;
}

.hero__gift .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--coral); }

.hero__gift b { color: var(--jade-strong); font-weight: 600; }

.hero__badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__badges li {
  background: var(--white);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-soft);
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease;
}

.hero__badges li:hover { transform: translateY(-3px); }

.hero__badges b { font-size: 1.02rem; }

.minif {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 0.68em;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 7px;
  vertical-align: 2px;
}

.minif--en { background: var(--sky-soft); color: var(--sky-strong); }

.minif--zh { background: var(--jade-soft); color: var(--jade-strong); }

.minif--ege { background: var(--lilac-soft); color: var(--lilac-strong); padding: 3px 6px; }

.hero__badges span { font-size: 0.8rem; color: var(--ink-soft); }

/* — появление hero при загрузке — */

.rise { opacity: 0; animation: rise-in 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) forwards; }

.rise-1 { animation-delay: 0.05s; }
.rise-2 { animation-delay: 0.14s; }
.rise-3 { animation-delay: 0.23s; }
.rise-4 { animation-delay: 0.32s; }
.rise-5 { animation-delay: 0.41s; }
.rise-6 { animation-delay: 0.5s; }

.rise-visual {
  opacity: 0;
  animation: pop-in 0.85s cubic-bezier(0.2, 0.7, 0.3, 1) 0.3s forwards;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

@keyframes pop-in {
  from { opacity: 0; transform: scale(0.94) translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* — портрет — */

.hero__visual {
  position: relative;
  justify-self: center;
}

.portrait-wrap { position: relative; width: min(310px, 68vw); }

.portrait-ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--sky), var(--lilac), var(--coral), var(--jade), var(--sky));
  animation: spin-slow 18s linear infinite;
  opacity: 0.9;
}

@keyframes spin-slow {
  to { transform: rotate(1turn); }
}

.portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--sky), var(--lilac), var(--jade), var(--sky));
  box-shadow: var(--shadow), inset 0 0 0 10px rgba(255, 255, 255, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.portrait__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.portrait__initials {
  display: none;
  font-family: var(--font-display);
  font-size: 4.2rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 4px 18px rgba(93, 159, 214, 0.4);
}

.portrait__note {
  display: none;
  position: absolute;
  bottom: 16%;
  left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  font-family: var(--font-note);
  font-size: 1.25rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.85);
  padding: 2px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.portrait--empty .portrait__initials { display: block; }

.portrait--empty .portrait__note { display: block; }

.bubble {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  background: var(--white);
  padding: 10px 20px;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  animation: float 5s ease-in-out infinite;
}

.bubble::after {
  content: "";
  position: absolute;
  bottom: -7px;
  width: 14px;
  height: 14px;
  background: inherit;
  transform: rotate(45deg);
  border-radius: 3px;
}

.bubble--en {
  top: -6px;
  left: -34px;
  color: var(--sky-strong);
  border: 2px solid var(--sky);
}

.bubble--en::after { left: 22px; border: 2px solid var(--sky); border-top: none; border-left: none; }

.bubble--zh {
  bottom: 6px;
  right: -30px;
  color: var(--jade-strong);
  border: 2px solid var(--jade);
  animation-delay: 2.2s;
}

.bubble--zh::after { right: 22px; border: 2px solid var(--jade); border-top: none; border-left: none; }

.sparkle {
  position: absolute;
  color: var(--coral);
  font-size: 1.2rem;
  animation: float 6s ease-in-out infinite;
}

.sparkle--1 { top: 12%; right: -8px; }

.sparkle--2 { bottom: -4px; left: 6%; animation-delay: 1.4s; font-size: 0.9rem; color: var(--lilac-strong); }

/* — облака — */

.hero__clouds, .cta-band__clouds {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.cloud {
  position: absolute;
  width: 200px;
  height: 60px;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  animation: drift 26s linear infinite;
}

.cloud::before, .cloud::after {
  content: "";
  position: absolute;
  background: inherit;
  border-radius: 50%;
}

.cloud::before { width: 80px; height: 80px; top: -36px; left: 34px; }

.cloud::after { width: 56px; height: 56px; top: -22px; right: 40px; }

.cloud--1 { top: 14%; left: -220px; }

.cloud--2 { top: 58%; left: -220px; transform: scale(0.7); animation-delay: -12s; animation-duration: 34s; }

.cloud--3 { top: 34%; left: -220px; transform: scale(0.5); animation-delay: -22s; animation-duration: 30s; opacity: 0.7; }

@keyframes drift {
  to { translate: calc(100vw + 440px) 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ============ Бегущая строка ============ */

.ticker {
  overflow: hidden;
  background: var(--white);
  border-top: 1px solid var(--sky-soft);
  border-bottom: 1px solid var(--sky-soft);
  padding: 13px 0;
}

.ticker__track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  animation: ticker-scroll 32s linear infinite;
}

.ticker__track i { font-style: normal; color: var(--sky); font-size: 0.7rem; }

.t-sky { color: var(--sky-strong); }
.t-jade { color: var(--jade-strong); }
.t-lilac { color: var(--lilac-strong); }
.t-coral { color: var(--coral); }

/* -17px = половина gap, чтобы петля была бесшовной */
@keyframes ticker-scroll {
  to { transform: translateX(calc(-50% - 17px)); }
}

/* ============ Секции ============ */

.section { padding: 88px 0; }

.section--tinted {
  position: relative;
  overflow: hidden;
  background: var(--bg-tint);
}

/* мягкие цветные пятна на подкрашенных секциях (градиентом, без filter: blur) */
.section--tinted::before, .section--tinted::after {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.section--tinted::before {
  background: radial-gradient(circle, var(--lilac) 0%, transparent 66%);
  top: -180px;
  right: -140px;
  animation: blob-drift 16s ease-in-out infinite alternate;
}

.section--tinted::after {
  background: radial-gradient(circle, var(--jade) 0%, transparent 66%);
  bottom: -200px;
  left: -160px;
  animation: blob-drift 20s ease-in-out infinite alternate-reverse;
}

@keyframes blob-drift {
  to { transform: translate(46px, 34px) scale(1.1); }
}

.section__inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section__sub { color: var(--ink-soft); margin-bottom: 8px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.eyebrow i { color: var(--coral); font-style: normal; }

.eyebrow [lang="zh"] { letter-spacing: 0.3em; }

/* ============ Обо мне ============ */

.about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 44px;
  align-items: start;
  margin-top: 18px;
}

.about__text p + p { margin-top: 16px; }

.about__facts {
  list-style: none;
  display: grid;
  gap: 14px;
}

.fact {
  border-radius: var(--radius-s);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fact b { font-family: var(--font-display); font-size: 1rem; font-weight: 600; }

.fact span { font-size: 0.88rem; color: var(--ink-soft); }

.fact--lilac { background: var(--lilac-soft); }

.fact--sky { background: var(--sky-soft); }

.fact--jade { background: var(--jade-soft); }

/* ============ Языки ============ */

.langs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 34px;
}

.lang-card {
  position: relative;
  border-radius: var(--radius);
  padding: 36px 34px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lang-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

.lang-card--en {
  background: linear-gradient(150deg, #EAF3FD 0%, #F1EDFB 100%);
  border: 1px solid var(--sky);
}

.lang-card--zh {
  background: linear-gradient(150deg, #EAF8F1 0%, #FFF4EA 100%);
  border: 1px solid var(--jade);
}

.lang-card__ghost {
  position: absolute;
  top: 14px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  opacity: 0.12;
  pointer-events: none;
}

.lang-card--zh .lang-card__ghost { font-family: var(--font-zh); }

.lang-card__lantern {
  position: absolute;
  top: 56px;
  right: 32px;
  width: 34px;
  height: 34px;
  color: var(--coral);
  transform-origin: top center;
  animation: swing 4s ease-in-out infinite;
}

@keyframes swing {
  0%, 100% { transform: rotate(-7deg); }
  50% { transform: rotate(7deg); }
}

.lang-card h3 { font-size: 1.4rem; margin-bottom: 10px; }

.lang-card__lead { color: var(--ink-soft); margin-bottom: 18px; max-width: 26em; }

.lang-card ul { list-style: none; display: grid; gap: 10px; }

.lang-card li { padding-left: 28px; position: relative; }

.lang-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 700;
}

.lang-card--en li::before { color: var(--sky-strong); }

.lang-card--zh li::before { color: var(--jade-strong); }

/* ============ Результаты ============ */

.results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.result-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.result-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.result-card__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1.15;
  background: linear-gradient(120deg, var(--sky-strong), var(--jade-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.result-card b { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; }

.result-card p { color: var(--ink-soft); font-size: 0.95rem; }

/* ============ Занятия ============ */

.lessons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 34px;
}

.lesson-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lesson-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.lesson-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lesson-card__icon .icon { width: 26px; height: 26px; }

.lesson-card:nth-child(1) .lesson-card__icon { background: var(--sky-soft); color: var(--sky-strong); }

.lesson-card:nth-child(2) .lesson-card__icon { background: var(--butter-soft); color: var(--butter-strong); }

.lesson-card:nth-child(3) .lesson-card__icon { background: var(--lilac-soft); color: var(--lilac-strong); }

.lesson-card:nth-child(4) .lesson-card__icon { background: var(--jade-soft); color: var(--jade-strong); }

.lesson-card b { font-size: 1rem; }

.lesson-card p { color: var(--ink-soft); font-size: 0.92rem; }

/* ============ Сертификаты ============ */

.certs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.cert-card {
  background: var(--white);
  border: none;
  border-radius: var(--radius-s);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  padding: 0;
  text-align: left;
  font-family: var(--font-body);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.cert-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: top;
}

.cert-card > span {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.cert-card b { font-size: 0.95rem; color: var(--ink); }

.cert-card--soon {
  cursor: default;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px dashed var(--sky);
  background: var(--sky-soft);
  box-shadow: none;
  padding: 24px 16px;
  gap: 8px;
}

.cert-card--soon:hover { transform: none; box-shadow: none; }

.cert-card--soon > span { align-items: center; }

.cert-card__box { width: 40px; height: 40px; color: var(--sky-strong); }

/* ============ Отзывы ============ */

.reviews {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 34px;
}

.review {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  border-bottom-left-radius: 6px;
  padding: 28px 28px 22px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.review:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.review:nth-child(1) { border-top: 4px solid var(--sky); }

.review:nth-child(2) { border-top: 4px solid var(--lilac); }

.review:nth-child(3) { border-top: 4px solid var(--jade); }

.review:nth-child(4) { border-top: 4px solid var(--coral); }

.review p { font-size: 0.98rem; margin-bottom: 16px; }

.review footer {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.review footer b { font-size: 0.95rem; }

.review footer span { font-size: 0.85rem; color: var(--ink-soft); flex: 1; }

.review__proof {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sky-strong);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
}

.review__proof:hover { text-decoration: underline; }

/* ============ Цена и пробное ============ */

.price-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 26px;
  align-items: stretch;
  max-width: 1000px;
  margin: 34px auto 0;
}

.check-list { list-style: none; display: grid; gap: 10px; }

.check-list li { padding-left: 28px; position: relative; }

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--jade-strong);
  font-weight: 700;
}

.trial-card {
  position: relative;
  background: linear-gradient(160deg, var(--jade-soft), var(--white) 75%);
  border: 1px solid var(--jade);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 34px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trial-card__badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--jade-strong);
  color: var(--white);
  border-radius: 999px;
  padding: 4px 13px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.trial-card__icon { width: 42px; height: 42px; color: var(--jade-strong); }

.trial-card b { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; }

.trial-card__len { color: var(--ink-soft); }

.trial-card .check-list { margin: 6px 0 22px; }

.trial-card .btn { margin-top: auto; }

.price-card {
  background: linear-gradient(160deg, var(--white) 60%, var(--sky-soft) 100%);
  border: 1px solid var(--sky);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 42px;
  display: flex;
  flex-direction: column;
}

.price-card__amount {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}

.price-card__amount b {
  font-family: var(--font-display);
  white-space: nowrap;
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(120deg, var(--sky-strong), var(--jade-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price-card__amount span { color: var(--ink-soft); font-size: 0.95rem; }

.price-card .check-list { margin-bottom: 28px; }

.price-card .btn { margin-top: auto; }

/* ============ Частые вопросы ============ */

.faq {
  display: grid;
  gap: 14px;
  max-width: 780px;
  margin-top: 26px;
}

.faq__item {
  background: var(--white);
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease;
}

.faq__item[open] { border-color: var(--sky); }

.faq__item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 17px 22px;
  font-weight: 600;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--sky-strong);
  line-height: 1;
  transition: transform 0.25s ease;
}

.faq__item[open] summary::after { transform: rotate(45deg); }

.faq__body { padding: 0 22px 18px; color: var(--ink-soft); }

.faq__item[open] .faq__body { animation: faq-in 0.3s ease; }

@keyframes faq-in {
  from { opacity: 0; transform: translateY(-6px); }
}

.faq__body a {
  color: var(--sky-strong);
  font-weight: 600;
  text-decoration: none;
}

.faq__body a:hover { text-decoration: underline; }

.faq__more {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.faq__more p {
  font-family: var(--font-note);
  font-size: 1.5rem;
  color: var(--ink);
}

/* ============ Финальный CTA ============ */

.cta-band {
  position: relative;
  background: linear-gradient(140deg, #DDEEFA 0%, #E9F0FB 48%, #E4F5EC 100%);
  overflow: hidden;
  scroll-margin-top: 90px;
}

.cta-band__inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 84px 24px;
  text-align: center;
}

.cta-band__hello {
  display: flex;
  justify-content: center;
  gap: 18px;
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 14px;
}

.cta-band__hello span:first-child { color: var(--sky-strong); }

.cta-band__hello span:last-child { color: var(--jade-strong); font-family: var(--font-zh); }

.cta-band h2 { margin-bottom: 12px; }

.cta-band > .cta-band__inner p { color: var(--ink-soft); margin-bottom: 28px; }

.cta-band__buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ============ Футер ============ */

.footer {
  padding: 26px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ============ Lightbox ============ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(43, 58, 82, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.lightbox[hidden] { display: none; }

.lightbox img {
  max-width: min(92vw, 640px);
  max-height: 86vh;
  border-radius: var(--radius-s);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

/* ============ Появление при скролле ============ */

.reveal { opacity: 0; }

.reveal.in-view {
  opacity: 1;
  /* именно backwards: fill-mode both навсегда фиксирует transform: none
     и глушит hover-подъёмы и 3D-tilt из main.js */
  animation: rise-in 0.65s cubic-bezier(0.2, 0.7, 0.3, 1) backwards;
}

/* лесенка внутри сеток */
.lang-card.in-view:nth-child(2) { animation-delay: 0.12s; }

.result-card.in-view:nth-child(2) { animation-delay: 0.1s; }
.result-card.in-view:nth-child(3) { animation-delay: 0.2s; }

.lesson-card.in-view:nth-child(2) { animation-delay: 0.08s; }
.lesson-card.in-view:nth-child(3) { animation-delay: 0.16s; }
.lesson-card.in-view:nth-child(4) { animation-delay: 0.24s; }

.cert-card.in-view:nth-child(2) { animation-delay: 0.08s; }
.cert-card.in-view:nth-child(3) { animation-delay: 0.16s; }
.cert-card.in-view:nth-child(4) { animation-delay: 0.24s; }

.review.in-view:nth-child(2) { animation-delay: 0.1s; }
.review.in-view:nth-child(3) { animation-delay: 0.18s; }
.review.in-view:nth-child(4) { animation-delay: 0.26s; }

/* ============ Квиз ============ */

.quiz {
  max-width: 720px;
  min-height: 330px;
  background: var(--white);
  border: 1px solid var(--sky-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 38px 40px;
  margin-top: 30px;
  overflow: hidden;
}

.quiz__screen { animation: quiz-in 0.35s ease; }

@keyframes quiz-in {
  from { opacity: 0; transform: translateY(10px); }
}

.quiz__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.quiz__start { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.quiz__lang {
  position: relative;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  padding: 22px 20px;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.quiz__lang:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }

.quiz__lang b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.quiz__lang span { color: var(--ink-soft); font-size: 0.9rem; }

.quiz__lang i {
  position: absolute;
  right: 14px;
  top: 10px;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  font-size: 2rem;
  opacity: 0.14;
  pointer-events: none;
}

.quiz__lang--en { background: linear-gradient(150deg, #EAF3FD, #F1EDFB); border-color: var(--sky); }

.quiz__lang--zh { background: linear-gradient(150deg, #EAF8F1, #FFF4EA); border-color: var(--jade); }

.quiz__lang--zh i { font-family: var(--font-zh); }

.quiz__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.quiz__bar {
  height: 6px;
  border-radius: 999px;
  background: var(--sky-soft);
  overflow: hidden;
  margin-bottom: 24px;
}

.quiz__bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sky-strong), var(--jade-strong));
  transition: width 0.3s ease;
}

.quiz__q {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.4;
  margin-bottom: 22px;
}

.quiz__opts { display: grid; gap: 12px; }

.quiz__opt {
  border: 1.5px solid var(--sky-soft);
  background: var(--bg);
  border-radius: var(--radius-s);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.quiz__opt:hover { border-color: var(--sky-strong); background: var(--white); }

.quiz__opt--picked {
  border-color: var(--jade-strong);
  background: var(--jade-soft);
  transform: scale(0.99);
}

.quiz__result-note {
  font-family: var(--font-note);
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 4px;
}

.quiz__level {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.2;
  background: linear-gradient(120deg, var(--sky-strong), var(--jade-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}

.quiz__text { color: var(--ink-soft); margin-bottom: 24px; max-width: 34em; }

.quiz__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Подсветка ответов квиза и объяснения */
.quiz__opt--correct {
  border-color: var(--jade-strong) !important;
  background: var(--jade-soft) !important;
  color: var(--ink) !important;
  font-weight: 600;
}

.quiz__opt--incorrect {
  border-color: var(--coral) !important;
  background: #FFF5F2 !important;
  color: var(--ink) !important;
}

.quiz__explain {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--bg-tint);
  border-left: 4px solid var(--sky-strong);
  border-radius: var(--radius-s);
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.5;
  animation: quiz-in 0.3s ease;
}

/* Декоративное свечение в средней части страницы */
.section--tinted {
  position: relative;
}

.section--tinted::before {
  content: "";
  position: absolute;
  width: 50vw;
  height: 50vw;
  max-width: 700px;
  top: 15%;
  left: -20vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(150, 131, 206, 0.55) 0%, rgba(150, 131, 206, 0.22) 40%, transparent 68%);
  opacity: 0.55;
  pointer-events: none;
  /* z-index: 0, не -1: под фоном секции свечение было бы невидимым */
  z-index: 0;
}

@media (max-width: 560px) {
  .quiz { padding: 26px 20px; min-height: 0; }

  .quiz__start { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .quiz__screen { animation: none; }

  .quiz__bar i { transition: none; }

  .quiz__lang, .quiz__opt { transition: none; }
}

/* ============ Адаптив ============ */

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; padding-top: 48px; }

  .hero__sub { margin-inline: auto; }

  .hero__cta, .hero__badges, .hero__gift { justify-content: center; }

  /* текст «бесплатного занятия» по левому краю, чтобы не распадался с иконкой */
  .hero__gift { margin-inline: auto; }
  .hero__gift span { text-align: left; }

  .hero__visual { margin-top: 12px; }

  .bubble--en { left: -6px; }

  .bubble--zh { right: -6px; }

  .about { grid-template-columns: 1fr; gap: 28px; }

  .langs { grid-template-columns: 1fr; }

  .results { grid-template-columns: 1fr 1fr; }

  .lessons { grid-template-columns: 1fr 1fr; }

  .certs { grid-template-columns: 1fr 1fr; }

  .price-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav__burger { display: flex; }

  .nav__links {
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-s);
    box-shadow: var(--shadow);
    padding: 18px;
    gap: 14px;
    display: none;
  }

  .nav--open .nav__links { display: flex; }

  .nav--open .nav__burger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }

  .nav--open .nav__burger span:nth-child(2) { opacity: 0; }

  .nav--open .nav__burger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .section { padding: 60px 0; }

  .results { grid-template-columns: 1fr; }

  .lessons { grid-template-columns: 1fr; }

  .certs { grid-template-columns: 1fr; }

  .reviews { grid-template-columns: 1fr; }

  .price-card { padding: 30px 24px; }

  .trial-card { padding: 28px 24px; }

  .price-card__amount { flex-direction: column; align-items: flex-start; gap: 6px; }

  .btn { width: 100%; }

  .hero__cta .btn { width: 100%; }

  .eyebrow { flex-wrap: wrap; }

  .faq__more { gap: 12px; }
}

/* ============ Reduced motion ============ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .cloud, .bubble, .sparkle, .lang-card__lantern,
  .portrait-ring, .ticker__track,
  .section--tinted::before, .section--tinted::after { animation: none; }

  .rise, .rise-visual { opacity: 1; animation: none; }

  .reveal { opacity: 1; }

  .reveal.in-view { animation: none; }

  .faq__item[open] .faq__body { animation: none; }

  .btn, .lang-card, .cert-card, .result-card, .lesson-card, .review, .hero__badges li { transition: none; }

  .btn--primary::after, .btn--jade::after { display: none; }
}

/* Улучшенная анимация и свечение карточек при наведении (в стиле shizcraft.ru) */
.trial-card, .price-card, .quiz, .lesson-card,
.result-card, .lang-card, .review, .cert-card {
  transition: box-shadow 0.3s cubic-bezier(0.25, 1, 0.5, 1),
              border-color 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Объёмная сцена только у карточек с 3D-tilt (квиз наклона не получает).
   Без will-change: он заставлял держать карточку растровой текстурой,
   и текст мутнел при наведении */
.trial-card, .price-card, .lesson-card,
.result-card, .lang-card, .review, .cert-card {
  transform-style: preserve-3d;
}

.trial-card:hover {
  box-shadow: 0 25px 50px rgba(79, 169, 129, 0.25), 0 0 0 2px var(--jade-strong);
  border-color: var(--jade-strong);
}

.price-card:hover {
  box-shadow: 0 25px 50px rgba(93, 159, 214, 0.3), 0 0 0 2px var(--sky-strong);
  border-color: var(--sky-strong);
}

.quiz:hover {
  box-shadow: 0 25px 50px rgba(93, 159, 214, 0.2), 0 0 0 2px var(--sky-strong);
  border-color: var(--sky-strong);
}

/* 3D Parallax эффекты для содержимого карточек */
.lesson-card__icon, .trial-card__icon, .trial-card__badge, .price-card__amount,
.result-card__value {
  transform: translateZ(40px);
  transition: transform 0.3s ease;
}

.lesson-card b, .trial-card b, .price-card b, .result-card b {
  transform: translateZ(30px);
  display: inline-block;
  transition: transform 0.3s ease;
}

.lesson-card p, .trial-card__len, .price-card span, .trial-card .check-list, .price-card .check-list,
.result-card p {
  transform: translateZ(20px);
  display: block;
  transition: transform 0.3s ease;
}

.trial-card .btn, .price-card .btn {
  transform: translateZ(35px);
  transition: transform 0.3s ease;
}

/* Particles background */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1; /* Вынесли поверх заливки фонов */
  pointer-events: none;
}

/* ============ Liquid Glass ============ */

/* Шапка — матовое стекло с бликом по нижней кромке */
.nav {
  background: rgba(250, 252, 254, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.7);
}

.nav--scrolled {
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.7), 0 8px 28px rgba(93, 159, 214, 0.14);
}

/* Стеклянные панели: сквозь них размыто просвечивают пузыри и блобы фона */
.hero__badges li,
.quiz,
.faq__item,
.review {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px) saturate(170%);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

/* бегущая строка и футер — выше канваса с пузырями, чтобы те не плавали по тексту */
.ticker {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.footer {
  position: relative;
  z-index: 2;
}

/* ============ Прогресс скролла ============ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 60;
  background: linear-gradient(90deg, var(--sky-strong), var(--lilac-strong), var(--jade-strong));
  border-radius: 0 999px 999px 0;
  pointer-events: none;
}

/* ============ Кнопка «наверх» ============ */

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  color: var(--sky-strong);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  z-index: 40;
}

.to-top--show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.to-top:hover { box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.85); }

@media (max-width: 560px) {
  .to-top { right: 14px; bottom: 14px; width: 44px; height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .to-top { transition: none; transform: none; }
}

/* ============ Liquid Glass: дополнительная порция ============ */

.btn--ghost {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
}

.cert-card--soon {
  background: rgba(227, 241, 251, 0.5);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
}

.lightbox {
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.lightbox__close {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media (max-width: 820px) {
  .nav__links {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(18px) saturate(170%);
    -webkit-backdrop-filter: blur(18px) saturate(170%);
    border: 1px solid rgba(255, 255, 255, 0.85);
  }
}

/* ============ Мобильная оптимизация ============
   backdrop-blur на телефонах дорогой: фон под каждым стеклом
   пересчитывается на каждом кадре скролла. Стекло имитируем
   плотным белым, у шапки оставляем лёгкое размытие. */
@media (max-width: 820px) {
  .hero__badges li, .quiz, .faq__item, .review, .btn--ghost, .ticker, .to-top {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.9);
  }

  .cert-card--soon {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(227, 241, 251, 0.85);
  }

  .nav {
    background: rgba(250, 252, 254, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  /* дрейф фоновых блобов на телефоне не заметен, а слои гоняет */
  .section--tinted::before, .section--tinted::after { animation: none; }
}
/* Скрываем пузырьки на мобильных устройствах для читаемости и оптимизации */
@media (max-width: 768px) {
  #particles-canvas {
    display: none !important;
  }
}