/* ====== Глобальные стили ====== */
:root {
  --color-bg: #fdfdfc;
  --color-primary: #4b70e2;
  --color-secondary: #e24bbd;
  --color-text: #1f1f1f;
  --color-muted: #666;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ====== Хедер ====== */
.header {
  background: white;
  border-bottom: 1px solid #eee;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  font-family: 'Fira Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav__list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav__list a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.3s;
}

.nav__list a:hover {
  color: var(--color-primary);
}

/* ====== Футер ====== */
.footer {
  background: #111;
  color: #ddd;
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.footer__logo {
  font-family: 'Fira Sans', sans-serif;
  font-size: 1.4rem;
  color: var(--color-secondary);
}

.footer__col h4 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: white;
}

.footer__col ul {
  list-style: none;
}

.footer__col li {
  margin-bottom: 0.5rem;
}

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

.footer__col a:hover {
  color: var(--color-primary);
}

/* ====== Hero ====== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 5rem;
  background: radial-gradient(1200px 600px at 10% 0%, rgba(75,112,226,0.12), transparent),
              radial-gradient(900px 500px at 90% 20%, rgba(226,75,189,0.10), transparent);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.hero__content {
  max-width: 760px;
  z-index: 2;
}

.hero__title {
  font-family: 'Fira Sans', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: -0.01em;
}

.hero__brand {
  color: var(--color-primary);
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin-top: 0.9rem;
  font-size: 1.05rem;
  color: var(--color-muted);
}

.hero__typing {
  margin-top: 1.2rem;
  min-height: 2.2rem;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  position: relative;
}

.hero__cursor::after {
  content: '▍';
  display: inline-block;
  animation: blink 1s steps(1, end) infinite;
  margin-left: 4px;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__cta {
  margin-top: 1.4rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.1rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: 0 10px 24px rgba(75,112,226,.25);
}
.btn--primary:hover { box-shadow: 0 16px 28px rgba(75,112,226,.35); }

.btn--ghost {
  background: rgba(255,255,255,.6);
  color: var(--color-text);
  border-color: #ddd;
}
.btn--ghost:hover { background: #fff; }

.hero__chips {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
}
.chip {
  font-size: .9rem;
  padding: .45rem .7rem;
  border-radius: 999px;
  border: 1px dashed rgba(0,0,0,.1);
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(4px);
}

/* декоративная сцена */
.hero__scene {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__orb {
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .35;
  transform: translateZ(0);
}
.hero__orb--1 {
  top: -60px; left: -120px;
  background: radial-gradient(circle at 30% 30%, var(--color-primary), transparent 60%);
  animation: float1 16s ease-in-out infinite;
}
.hero__orb--2 {
  right: -140px; bottom: -80px;
  background: radial-gradient(circle at 70% 70%, var(--color-secondary), transparent 60%);
  animation: float2 18s ease-in-out infinite;
}
@keyframes float1 { 
  0%,100% { transform: translate(0,0) }
  50% { transform: translate(20px, 30px) }
}
@keyframes float2 { 
  0%,100% { transform: translate(0,0) }
  50% { transform: translate(-25px, -15px) }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0,0,0,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,0,0,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(500px 300px at 50% 30%, #000 40%, transparent 70%);
}

/* layout ≥768px */
@media (min-width: 768px) {
  .hero { padding: 7rem 0 6rem; }
  .hero__inner {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
  }
  .hero__content { padding-right: 1rem; }
}

/* ====== About ====== */
.about { padding: 4rem 0 3rem; }
.about__header { max-width: 760px; }
.about__title {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.4rem, 4.5vw, 2.2rem);
  margin-bottom: .5rem;
}
.about__lead { color: var(--color-muted); }

.about__highlights {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  list-style: none;
}
.about__item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 14px;
  padding: 1rem;
}
.about__badge {
  display: inline-block;
  font-size: .8rem;
  padding: .3rem .6rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  margin-bottom: .5rem;
}
.about__item-title { font-weight: 700; margin-bottom: .3rem; }
.about__text { color: var(--color-muted); }

.about__grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.about__card {
  background: #fff;
  border: 1px dashed rgba(0,0,0,.08);
  border-radius: 16px;
  padding: 1rem;
}
.about__card-title {
  font-weight: 700;
  margin-bottom: .4rem;
}
.about__list { margin-top: .4rem; padding-left: 1.1rem; }
.about__list li { margin: .25rem 0; color: var(--color-text); }

.about__cta { margin-top: 1.2rem; display: flex; gap: .8rem; flex-wrap: wrap; }

/* ≥768px */
@media (min-width: 768px) {
  .about__highlights { grid-template-columns: repeat(3, 1fr); }
  .about__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ====== Programs ====== */
.programs { padding: 3.2rem 0; background: linear-gradient(180deg, rgba(0,0,0,.02), transparent 60%); }
.programs__header { max-width: 760px; }
.programs__title {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.4rem, 4.5vw, 2.2rem);
  margin-bottom: .5rem;
}
.programs__lead { color: var(--color-muted); }

.programs__grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.program-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 1rem;
  display: grid;
  gap: .6rem;
}
.program-card__title { font-weight: 700; }
.program-card__desc { color: var(--color-muted); }
.program-card__meta { list-style: none; display: grid; gap: .25rem; }
.program-card__cta {
  margin-top: .2rem;
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid #ddd;
  padding: .6rem .9rem;
  border-radius: 12px;
  transition: background .2s, box-shadow .2s, transform .15s;
}
.program-card__cta:hover { background: #fff; box-shadow: 0 10px 22px rgba(0,0,0,.06); }
.program-card__cta:active { transform: translateY(1px); }

/* акценты по направлениям */
.program-card--fe { border-color: rgba(75,112,226,.35); }
.program-card--be { border-color: rgba(75,112,226,.25); }
.program-card--qa { border-color: rgba(226,75,189,.25); }
.program-card--data { border-color: rgba(0,0,0,.08); }
.program-card--devops { border-color: rgba(0,0,0,.12); }

/* ≥768px */
@media (min-width: 768px) {
  .programs__grid { grid-template-columns: repeat(2, 1fr); }
}
/* ≥1024px */
@media (min-width: 1024px) {
  .programs__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ====== Team ====== */
.team { padding: 3.2rem 0; }
.team__header { max-width: 760px; }
.team__title {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.4rem, 4.5vw, 2.2rem);
  margin-bottom: .5rem;
}
.team__lead { color: var(--color-muted); }

.team__grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.mentor-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: .9rem;
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: .9rem;
  align-items: center;
}
.mentor-card__photo {
  width: 92px; height: 92px; object-fit: cover;
  border-radius: 12px;
  background: #f4f4f4;
  border: 1px solid #eee;
}
.mentor-card__name { font-weight: 700; }
.mentor-card__role { color: var(--color-muted); font-size: .95rem; margin-top: .15rem; }
.mentor-card__tags { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .5rem; }
.mentor-card__tags li {
  font-size: .8rem; padding: .3rem .55rem; border-radius: 999px;
  background: rgba(75,112,226,.08); border: 1px dashed rgba(75,112,226,.25);
}

/* ≥768px */
@media (min-width: 768px) {
  .team__grid { grid-template-columns: repeat(2, 1fr); }
}
/* ≥1024px */
@media (min-width: 1024px) {
  .team__grid { grid-template-columns: repeat(4, 1fr); }
  .mentor-card { grid-template-columns: 1fr; text-align: left; }
  .mentor-card__photo { width: 100%; height: 200px; }
}

/* ====== FAQ ====== */
.faq { padding: 3.2rem 0; background: linear-gradient(180deg, transparent, rgba(0,0,0,.02) 60%); }
.faq__header { max-width: 760px; }
.faq__title {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.4rem, 4.5vw, 2.2rem);
  margin-bottom: .5rem;
}
.faq__lead { color: var(--color-muted); }

.faq__list { margin-top: 1.2rem; display: grid; gap: .6rem; }
.faq-item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 14px;
  overflow: hidden;
}
.faq-item__btn {
  width: 100%; text-align: left; background: #fff; border: 0;
  padding: 1rem 1rem; font-weight: 600; cursor: pointer;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1rem;
}
.faq-item__btn:hover { background: #fff; }
.faq-item__icon { width: 20px; height: 20px; transition: transform .25s ease; }
.faq-item__panel { padding: 0 1rem 1rem; color: var(--color-muted); }

.faq-item[aria-expanded="true"] .faq-item__icon,
.faq-item__btn[aria-expanded="true"] .faq-item__icon { transform: rotate(180deg); }

/* ====== Contact ====== */
.contact { padding: 3.2rem 0 4rem; }
.contact__header { max-width: 760px; }
.contact__title {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.4rem, 4.5vw, 2.2rem);
  margin-bottom: .5rem;
}
.contact__lead { color: var(--color-muted); }

.contact__form {
  margin-top: 1.2rem;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 1rem;
}
.contact__hp { position: absolute; left: -9999px; top: -9999px; }

.form__row { display: grid; gap: .35rem; margin-bottom: .8rem; }
.form__row--agree { align-items: start; }
.form__label { font-weight: 600; }
.form__input {
  width: 100%;
  padding: .8rem .9rem;
  border-radius: 12px;
  border: 1px solid #ddd;
  background: #fafafa;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(75,112,226,.12);
}

.captcha { display: grid; grid-template-columns: 1fr auto auto; gap: .5rem; align-items: center; }
.captcha__task { font-weight: 600; }
.captcha__input { margin: 0; }
.captcha__refresh {
  border: 1px solid #ddd; background: #fff; border-radius: 10px;
  padding: .5rem; cursor: pointer; transition: transform .15s, box-shadow .2s;
}
.captcha__refresh:hover { box-shadow: 0 6px 16px rgba(0,0,0,.06); }
.captcha__refresh:active { transform: translateY(1px); }

.checkbox { display: grid; grid-template-columns: auto 1fr; gap: .6rem; align-items: start; }
.checkbox input { width: 1.1rem; height: 1.1rem; margin-top: .15rem; }

.form__actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: .4rem; }

.form__error { color: #c0392b; font-size: .9rem; min-height: 1.1rem; }
.form__status { margin-top: .6rem; color: var(--color-muted); }

.toast {
  position: fixed;
  left: 50%; bottom: 20px; transform: translateX(-50%);
  background: #111; color: #fff; padding: .9rem 1.1rem;
  border-radius: 12px; box-shadow: 0 14px 30px rgba(0,0,0,.25);
  z-index: 9999; max-width: 90%;
}

/* ≥768px */
@media (min-width: 768px) {
  .contact__form { padding: 1.2rem; }
}

/* accessibility helpers */
.form__input[aria-invalid="true"] { border-color: #c0392b; box-shadow: 0 0 0 4px rgba(192,57,43,.12); }

/* ====== Cookie Pop-up ====== */
.cookie {
  position: fixed; left: 0; right: 0; bottom: 0;
  z-index: 9998;
  display: grid; place-items: center;
  padding: .8rem;
}
.cookie__inner {
  width: min(960px, 96%);
  background: #131313; color: #fff;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  box-shadow: 0 18px 36px rgba(0,0,0,.35);
  padding: .9rem;
  display: grid; gap: .8rem;
}
.cookie__text { line-height: 1.5; }
.cookie__text a { color: #c9d4ff; }
.cookie__actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.cookie__btn { padding: .6rem .9rem; }

/* ====== Policy / Text pages ====== */
.pages { padding: 3rem 0 4rem; }
.pages .container { max-width: 840px; }
.pages h1 {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.6rem, 4.8vw, 2.4rem);
  letter-spacing: -0.01em;
  margin-bottom: .8rem;
}
.pages p {
  margin: .9rem 0;
  color: var(--color-text);
}
.pages h2 {
  margin-top: 1.6rem;
  font-size: clamp(1.1rem, 3.6vw, 1.4rem);
}
.pages ul { margin: .6rem 0 .9rem 1.2rem; }
.pages li { margin: .35rem 0; }
.pages a { color: var(--color-primary); text-decoration: underline; }
.pages strong { font-weight: 700; }

/* читабельные блоки */
.pages .container {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 1.2rem;
}
@media (min-width: 768px) {
  .pages .container { padding: 1.6rem 1.4rem; }
}