/* === Сброс базовых стилей === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f6f7f9;
    color: #2d2d2d;
    font-size: 16px;
    line-height: 1.5;
}

/* Контейнер */
.header__container,
.footer__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Хедер */
.header {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__logo {
    font-family: 'Rubik', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: #5A57FF;
}

.header__menu {
    list-style: none;
    display: flex;
    gap: 20px;
}

.header__menu a {
    text-decoration: none;
    color: #2d2d2d;
    font-weight: 600;
    transition: color 0.3s ease;
}

.header__menu a:hover {
    color: #5A57FF;
}

/* Футер */
.footer {
    background-color: #2d2d2d;
    color: #fff;
    padding: 40px 0;
}

.footer__container {
    flex-wrap: wrap;
    gap: 20px;
}

.footer__col {
    flex: 1 1 220px;
}

.footer__logo {
    font-family: 'Rubik', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    color: #FF7B72;
    margin-bottom: 10px;
}

.footer__col ul {
    list-style: none;
}

.footer__col a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__col a:hover {
    color: #FF7B72;
}

.footer__col p {
    margin-bottom: 8px;
}

/* === Hero === */
.hero {
  position: relative;
  padding: 96px 0 56px;
  overflow: hidden;
  isolation: isolate;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: -2;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 10% 10%, rgba(90,87,255,0.18), transparent 60%),
              radial-gradient(70% 50% at 90% 20%, rgba(255,123,114,0.14), transparent 60%);
  z-index: -1;
}

.hero__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.hero__content {
  display: grid;
  gap: 18px;
}

.hero__title {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  line-height: 1.1;
  color: #2d2d2d;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: #444;
  max-width: 56ch;
}

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

.hero__bullet {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(45,45,45,0.06);
  border-radius: 14px;
  padding: 10px 12px;
  width: fit-content;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.hero__bullet:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.06); }

.hero__icon { width: 18px; height: 18px; color: #5A57FF; }

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.button:active { transform: translateY(1px) scale(0.99); }

.button--primary {
  background: #5A57FF;
  color: #fff;
  box-shadow: 0 8px 24px rgba(90,87,255,0.35);
}
.button--primary:hover { box-shadow: 0 12px 28px rgba(90,87,255,0.45); }

.button--ghost {
  background: transparent;
  color: #2d2d2d;
  border-color: rgba(45,45,45,0.15);
}
.button--ghost:hover { background: rgba(45,45,45,0.04); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 18px;
  margin-top: 10px;
}
.hero__stat { display: grid; gap: 2px; text-align: left; }
.hero__stat-number {
  font-family: 'Rubik', sans-serif;
  font-size: 1.6rem;
  color: #2d2d2d;
}
.hero__stat-label { font-size: 0.9rem; color: #555; }

.hero__visual {
  display: grid;
  place-items: center;
}

.hero__card {
  position: relative;
  background: white;
  border: 1px solid rgba(45,45,45,0.06);
  border-radius: 18px;
  padding: 10px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  width: min(540px, 92vw);
  transform: translateZ(0);
}

.hero__image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.hero__badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FF7B72;
  color: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(255,123,114,0.45);
}
.hero__badge i { width: 16px; height: 16px; }

/* Responsive */
@media (min-width: 860px) {
  .hero { padding: 124px 0 80px; }
  .hero__container { grid-template-columns: 1.05fr 0.95fr; gap: 36px; }
  .hero__stats { justify-content: start; }
}

/* === Trends === */
.trends { padding: 72px 0; }
.trends__container {
  max-width: 1200px; margin: 0 auto; padding: 0 16px;
}
.trends__header { display: grid; gap: 10px; margin-bottom: 24px; }
.trends__title {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -0.01em; color: #2d2d2d;
}
.trends__subtitle { color: #4b4b4b; max-width: 70ch; }

.trends__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.trends__card {
  position: relative;
  display: grid; gap: 10px;
  background: #fff;
  border: 1px solid rgba(45,45,45,0.06);
  border-radius: 16px;
  padding: 16px;
  transition: transform 0.18s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  will-change: transform;
}
.trends__card:hover {
  transform: translateY(-3px);
  border-color: rgba(90,87,255,0.35);
  box-shadow: 0 16px 36px rgba(90,87,255,0.10);
}

.trends__icon i { width: 22px; height: 22px; color: #5A57FF; }

.trends__card-title {
  font-family: 'Rubik', sans-serif;
  font-size: 1.1rem; color: #2d2d2d;
}

.trends__card-text { color: #464646; }
.trends__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.trends__tag {
  font-size: 0.85rem; color: #2d2d2d;
  background: rgba(90,87,255,0.08);
  border: 1px solid rgba(90,87,255,0.22);
  padding: 4px 8px; border-radius: 999px;
}

.trends__cta { width: fit-content; margin-top: 2px; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(10px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity .5s ease, transform .5s ease; }

/* Responsive */
@media (min-width: 700px) { .trends__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (min-width: 1024px) { .trends__grid { grid-template-columns: repeat(3, 1fr); gap: 18px; } }

/* === Cases === */
.cases { padding: 72px 0; }
.cases__container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.cases__header { display: grid; gap: 10px; margin-bottom: 24px; }
.cases__title {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -0.01em; color: #2d2d2d;
}
.cases__subtitle { color: #4b4b4b; max-width: 70ch; }

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

.case-card {
  background: #fff;
  border: 1px solid rgba(45,45,45,0.06);
  border-radius: 16px;
  padding: 16px;
  display: grid; gap: 14px;
  transition: box-shadow .2s ease, transform .18s ease, border-color .22s ease;
}
.case-card:hover { transform: translateY(-2px); border-color: rgba(90,87,255,0.25); box-shadow: 0 16px 36px rgba(90,87,255,0.08); }

.case-card__head { display: flex; align-items: center; gap: 10px; }
.case-card__icon { width: 22px; height: 22px; color: #5A57FF; }
.case-card__title { font-family: 'Rubik', sans-serif; font-size: 1.1rem; color: #2d2d2d; }

.case-card__media { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid rgba(45,45,45,0.06); }

/* Before/After slider */
.ba { position: relative; display: block; width: 100%; height: auto; }
.ba__img { display: block; width: 100%; height: auto; object-fit: cover; }
.ba__after-wrap {
  position: absolute; inset: 0; width: 50%;
  overflow: hidden; border-right: 2px solid #5A57FF;
  transition: width .12s ease;
}
.ba__slider {
  position: absolute; left: 0; bottom: 12px; right: 0;
  width: calc(100% - 24px); margin: 0 12px;
  -webkit-appearance: none; appearance: none;
  background: rgba(90,87,255,0.18); height: 6px; border-radius: 999px; outline: none;
}
.ba__slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: #5A57FF; border: 2px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  cursor: pointer;
}
.ba__slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: #5A57FF; border: 2px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  cursor: pointer;
}

.case-card__points { list-style: none; display: grid; gap: 6px; color: #444; }
.case-card__point strong { color: #2d2d2d; }

.case-card__cta { margin-top: 2px; }

/* Responsive */
@media (min-width: 720px) { .cases__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .cases__grid { grid-template-columns: repeat(3, 1fr); } }

/* === Courses === */
.courses { padding: 72px 0; }
.courses__container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.courses__header { display: grid; gap: 10px; margin-bottom: 18px; }
.courses__title {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -0.01em; color: #2d2d2d;
}
.courses__subtitle { color: #4b4b4b; max-width: 70ch; }

/* Tabs */
.tabs__list {
  display: flex; gap: 8px; overflow-x: auto; padding: 6px 0; margin-bottom: 14px;
  scrollbar-width: thin;
}
.tabs__tab {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid rgba(45,45,45,0.10);
  border-radius: 999px; padding: 8px 12px; cursor: pointer;
  color: #2d2d2d; font-weight: 600;
  transition: background .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.tabs__tab:hover { background: rgba(45,45,45,0.04); }
.tabs__tab[aria-selected="true"] {
  border-color: rgba(90,87,255,0.4);
  background: rgba(90,87,255,0.08);
  box-shadow: 0 6px 18px rgba(90,87,255,0.10);
}
.tabs__tab i { width: 18px; height: 18px; color: #5A57FF; }

.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; }

/* Grid + Cards */
.courses__grid {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
.course-card {
  background: #fff;
  border: 1px solid rgba(45,45,45,0.06);
  border-radius: 16px; overflow: hidden;
  display: grid; grid-template-columns: 1fr; 
  transition: transform .18s ease, box-shadow .22s ease, border-color .22s ease;
}
.course-card:hover { transform: translateY(-2px); border-color: rgba(90,87,255,0.25); box-shadow: 0 16px 36px rgba(90,87,255,0.08); }

.course-card__img { width: 100%; height: 180px; object-fit: cover; background: #f1f2f5; }
.course-card__body { display: grid; gap: 10px; padding: 14px; }
.course-card__title { font-family: 'Rubik', sans-serif; font-size: 1.05rem; color: #2d2d2d; }
.course-card__text { color: #454545; }

.course-card__meta { list-style: none; display: flex; flex-wrap: wrap; gap: 12px; color: #555; }
.course-card__meta i { width: 16px; height: 16px; color: #5A57FF; }

.course-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.course-card__tags span {
  font-size: 0.85rem; color: #2d2d2d;
  background: rgba(90,87,255,0.08);
  border: 1px solid rgba(90,87,255,0.22);
  padding: 4px 8px; border-radius: 999px;
}

@media (min-width: 760px) {
  .courses__grid { grid-template-columns: repeat(2, 1fr); }
  .course-card__img { height: 190px; }
}
@media (min-width: 1100px) {
  .courses__grid { grid-template-columns: repeat(3, 1fr); }
  .course-card__img { height: 200px; }
}

/* === About === */
.about { padding: 72px 0; background: #f6f7f9; }
.about__container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.about__header { display: grid; gap: 10px; margin-bottom: 28px; text-align: center; }
.about__title {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -0.01em; color: #2d2d2d;
}
.about__subtitle { color: #4b4b4b; max-width: 70ch; margin: 0 auto; }

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

.about-card {
  background: #fff;
  border: 1px solid rgba(45,45,45,0.06);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  transition: transform .18s ease, box-shadow .22s ease, border-color .22s ease;
}
.about-card:hover {
  transform: translateY(-2px);
  border-color: rgba(90,87,255,0.25);
  box-shadow: 0 16px 36px rgba(90,87,255,0.08);
}

.about-card__icon { width: 28px; height: 28px; color: #5A57FF; margin-bottom: 8px; }
.about-card__title { font-family: 'Rubik', sans-serif; font-size: 1.1rem; color: #2d2d2d; margin-bottom: 4px; }
.about-card__text { color: #444; font-size: 0.95rem; }

.about__cta { margin-top: 28px; text-align: center; }

/* Responsive */
@media (min-width: 720px) { .about__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .about__grid { grid-template-columns: repeat(4, 1fr); } }

/* === Contact === */
.contact { padding: 72px 0; background: #fff; }
.contact__container { max-width: 700px; margin: 0 auto; padding: 0 16px; }
.contact__header { text-align: center; margin-bottom: 28px; }
.contact__title {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -0.01em;
  color: #2d2d2d;
}
.contact__subtitle { color: #4b4b4b; max-width: 60ch; margin: 0 auto; }

.contact__form { display: grid; gap: 16px; }
.contact__field { display: flex; flex-direction: column; gap: 6px; }
.contact__field label { font-weight: 500; font-size: 0.95rem; }
.contact__field input {
  padding: 10px 14px;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color .2s ease;
}
.contact__field input:focus {
  outline: none;
  border-color: #5A57FF;
}

.contact__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9rem;
}
.contact__checkbox input { margin-top: 3px; }

.contact__success {
  margin-top: 12px;
  color: #2d9c4b;
  font-weight: 500;
}

/* === Cookie Pop-up === */
.cookie {
  position: fixed;
  inset: auto 16px 16px auto; /* по умолчанию — правый низ */
  z-index: 9999;
  max-width: 520px;
}
.cookie__wrap {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center;
  background: #1f2330; color: #fff;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 14px 14px 14px 16px;
  box-shadow: 0 16px 36px rgba(0,0,0,0.28);
}
.cookie__text { font-size: 0.95rem; line-height: 1.4; }
.cookie__link { color: #8FD3FF; text-decoration: underline; }
.cookie__link:hover { text-decoration: none; }
.cookie__btn {
  background: #5A57FF; color: #fff; border: none;
  padding: 10px 14px; border-radius: 10px; font-weight: 600; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 10px 24px rgba(90,87,255,0.35);
}
.cookie__btn:hover { box-shadow: 0 12px 28px rgba(90,87,255,0.45); }
.cookie__btn:active { transform: translateY(1px) scale(0.99); }

/* Вариант позиционирования слева (активируйте классом .cookie--left при желании) */
.cookie.cookie--left { inset: auto auto 16px 16px; }

/* === Стили для страниц политик (privacy.html, cookies.html, terms.html, return.html, disclaimer.html, personal-data-policy.html) === */
.pages { padding: 56px 0; }
.pages .container { max-width: 880px; margin: 0 auto; padding: 0 16px; }
.pages h1 {
  font-family: 'Rubik', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: -0.01em; color: #2d2d2d; margin-bottom: 12px;
}
.pages p { color: #333; margin: 12px 0; }
.pages h2 {
  margin-top: 22px; margin-bottom: 8px;
  font-family: 'Rubik', sans-serif; font-size: 1.2rem; color: #2d2d2d;
}
.pages ul { margin: 10px 0 10px 18px; color: #333; }
.pages li { margin: 6px 0; }
.pages a { color: #5A57FF; text-decoration: underline; }
.pages a:hover { text-decoration: none; }
.pages strong { font-weight: 700; }