/* ===== Reset & базовые стили ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #7c3aed;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-light: #f9fafb;
  --color-bg-dark: #111827;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
  --container-width: 1200px;
  --header-height: 80px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

/* Контейнер */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Изображения */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Списки */
ul, ol {
  list-style: none;
}

/* Ссылки */
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 2px solid transparent;
}
.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn--outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}
.btn--small {
  padding: 8px 20px;
  font-size: 0.9rem;
}
.btn--block {
  width: 100%;
}

/* Разделы */
.section {
  padding: 80px 0;
}
.section__title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}
.link {
  color: var(--color-primary);
  font-weight: 600;
}
.link:hover {
  text-decoration: underline;
}

/* Хедер */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  z-index: 1000;
  height: var(--header-height);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}
.logo img {
  width: 150px;
  height: auto;
}
.nav__list {
  display: flex;
  gap: 2rem;
}
.nav__link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}
.nav__link:hover {
  color: var(--color-primary);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}
.nav__link:hover::after {
  width: 100%;
}
.header__phone {
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}
.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.burger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-text);
  border-radius: 3px;
  transition: var(--transition);
}

/* Герой */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 40px) 0 100px;
  color: white;
  min-height: 100vh;
}
.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(
    90deg,
    rgba(0,0,0,0.7) 0%,
    rgba(0,0,0,0.5) 50%,
    rgba(0,0,0,0.3) 100%
  );
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero__title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: #fff;
}
.hero__text {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.hero__features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.hero__features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: #fff;
}

/* Адаптив */
@media(max-width:1024px){
  .hero__title { font-size: 2.8rem; }
}
@media(max-width:768px){
  .hero {
    padding: calc(var(--header-height) + 20px) 0 60px;
  }
  .hero__title { font-size: 2.2rem; }
  .hero__text { font-size: 1.1rem; }
  .hero__bg::after {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7));
  }
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  .hero__features {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
}

/* Услуги */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.service-card__icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.5rem;
  margin-bottom: 1.5rem;
}
.service-card__title {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem;
}
.service-card__text {
  color: var(--color-text-light); margin-bottom: 1.5rem; flex-grow: 1;
}
.service-card__list {
  margin-bottom: 2rem;
}
.service-card__list li {
  padding: 0.5rem 0; padding-left: 1.5rem; position: relative;
}
.service-card__list li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--color-success);
  font-weight: bold;
}
.service-card__link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; color: var(--color-primary); margin-top: auto;
}

/* Кейсы */
.cases {
  background-color: var(--color-bg-light);
}
.cases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.case-card__content {
  padding: 2rem;
}
.case-card__title {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem;
}
.case-card__text {
  margin-bottom: 1rem; color: var(--color-text-light);
}
.case-card__results {
  display: flex; gap: 2rem; margin-top: 2rem; flex-wrap: wrap;
}
.result {
  text-align: center;
}
.result__value {
  display: block; font-size: 2.5rem; font-weight: 800; color: var(--color-primary); line-height: 1;
}
.result__label {
  font-size: 0.9rem; color: var(--color-text-light);
}

/* Цены */
.prices__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 2rem; margin-top: 3rem;
}
.price-card {
  background: #fff; border-radius: var(--radius-lg); padding: 2.5rem 2rem;
  border: 2px solid var(--color-border);
  position: relative;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.price-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
}
.price-card--popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}
.price-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary); color: #fff; padding: 0.25rem 1rem; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600;
}
.price-card__title {
  font-size: 1.75rem; font-weight: 800; margin-bottom: 0.5rem; text-align: center;
}
.price-card__amount {
  font-size: 2.5rem; font-weight: 900; color: var(--color-primary); text-align: center; margin-bottom: 0.5rem;
}
.price-card__desc {
  text-align: center; color: var(--color-text-light); margin-bottom: 2rem;
}
.price-card__list {
  margin-bottom: 2rem;
}
.price-card__list li {
  padding: 0.75rem 0; border-bottom: 1px solid var(--color-border); position: relative; padding-left: 1.75rem;
}
.price-card__list li::before {
  content: '✓'; position: absolute; left: 0; color: var(--color-success); font-weight: bold;
}
.price-card__list-item--disabled {
  color: var(--color-text-light); text-decoration: line-through;
}
.price-card__list-item--disabled::before {
  content: '×'; color: var(--color-danger);
}
.prices__note {
  text-align: center; margin-top: 3rem; color: var(--color-text-light); font-size: 0.95rem;
}

/* О нас */
.about {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1e3a8a 100%);
  color: #fff;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}
.about__content .section__title {
  text-align: left;
  color: #fff;
}
.about__text {
  font-size: 1.125rem; margin-bottom: 1.5rem; opacity: 0.9;
}
.about__stats {
  display: flex; gap: 3rem; margin-top: 3rem; flex-wrap: wrap;
}
.stat {
  text-align: center;
}
.stat__value {
  display: block; font-size: 3rem; font-weight: 800; line-height: 1;
}
.stat__label {
  font-size: 0.95rem; opacity: 0.8;
}

/* Отзывы */
.reviews__slider {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 2rem; margin-top: 3rem;
}
.review-card {
  background: #fff; border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--color-border);
}
.review-card__header {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem;
}
.review-card__photo {
  border-radius: 50%; object-fit: cover;
}
.review-card__name {
  font-weight: 700; margin-bottom: 0.25rem;
}
.review-card__company {
  font-size: 0.9rem; color: var(--color-text-light);
}
.review-card__text {
  font-style: italic; color: var(--color-text); margin-bottom: 1.5rem; position: relative; padding-left: 1.5rem;
}
.review-card__text::before {
  content: '“'; position: absolute; left: 0; top: -10px; font-size: 3rem; color: var(--color-primary); opacity: 0.3; font-family: Georgia, serif;
}
.review-card__rating {
  color: #fbbf24; font-size: 1.25rem;
}

/* Блог */
.blog__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 2rem; margin-top: 3rem;
}
.post-card {
  background: #fff; border-radius: var(--radius); padding: 1.5rem; border: 1px solid var(--color-border); transition: var(--transition);
}
.post-card:hover {
  border-color: var(--color-primary); box-shadow: var(--shadow);
}
.post-card__title {
  font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; line-height: 1.3;
}
.post-card__title a:hover {
  color: var(--color-primary);
}
.post-card__excerpt {
  color: var(--color-text-light); margin-bottom: 1rem; font-size: 0.95rem;
}
.post-card__meta {
  display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--color-text-light);
}
.blog__cta {
  text-align: center; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border);
}

/* CTA и контакты */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
}
.cta__inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.cta__title {
  font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; line-height: 1.2;
}
.cta__text {
  font-size: 1.125rem; opacity: 0.9; margin-bottom: 2rem;
}
.cta__form {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); border-radius: var(--radius-lg); padding: 2rem; border: 1px solid rgba(255,255,255,0.2);
}
.form-group {
  margin-bottom: 1rem;
}
.form-group input {
  width: 100%; padding: 14px 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--color-border); font-size: 1rem; transition: var(--transition);
}
.form-group input:focus {
  border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-note {
  font-size: 0.85rem; opacity: 0.8; margin-top: 1rem; text-align: center;
}
.cta__subtitle {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem;
}
.contacts p {
  margin-bottom: 1rem; opacity: 0.9;
}
.contacts a {
  color: #fff; text-decoration: underline;
}
.contacts a:hover {
  opacity: 0.8;
}
.social {
  display: flex; gap: 1rem; margin-top: 2rem;
}
.social a {
  display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: rgba(255,255,255,0.1); border-radius: 50%; transition: var(--transition);
}
.social a:hover {
  background: rgba(255,255,255,0.2); transform: translateY(-3px);
}

/* Футер */
.footer {
  background-color: var(--color-bg-dark);
  color: #fff;
  padding: 60px 0 30px;
}
.footer__inner {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 3rem; margin-bottom: 3rem;
}
.footer__text {
  opacity: 0.7; margin-top: 1rem; line-height: 1.6;
}
.footer__title {
  font-size: 1.125rem; font-weight: 700; margin-bottom: 1.5rem; color: #fff;
}
.footer__list li {
  margin-bottom: 0.75rem;
}
.footer__list a {
  opacity: 0.7;
}
.footer__list a:hover {
  opacity: 1; color: #fff;
}
.footer__contacts {
  opacity: 0.7; line-height: 1.6; font-style: normal;
}
.footer__contacts a {
  color: #fff; text-decoration: underline;
}
.footer__social {
  display: flex; gap: 1rem; margin-top: 1rem;
}
.footer__social a {
  opacity: 0.7;
}
.footer__social a:hover {
  opacity: 1;
}
.footer__bottom {
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer__copyright {
  opacity: 0.7;
}
.footer__links a {
  opacity: 0.7; margin: 0 0.5rem;
}
.footer__links a:hover {
  opacity: 1;
}

/* Модальные окна */
.modal {
  display: none; /* по умолчанию скрыты */
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 90%;
  max-width: 500px;
  z-index: 2001;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: var(--transition);
}
.modal.active {
  display: block;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Оверлей */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.5);
  backdrop-filter: blur(5px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.modal-overlay.active {
  display: flex;
  opacity: 1;
  visibility: visible;
  align-items: center;
  justify-content: center;
}

/* Закрывающая кнопка */
.modal__close {
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: 2rem; line-height: 1;
  color: var(--color-text-light);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
}
.modal__close:hover {
  color: var(--color-text);
}

/* Заголовок в модалках */
.modal__title {
  font-size: 1.75rem; font-weight: 800; margin-bottom: 1rem; color: var(--color-text);
}

/* Формы в модалках */
.modal form {
  margin-top: 1.5rem;
}
.form-group {
  margin-bottom: 1rem;
}
.form-group input {
  width: 100%; padding: 14px 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--color-border); font-size: 1rem; transition: var(--transition);
}
.form-group input:focus {
  border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Адаптив */
@media(max-width:1024px){
  .hero__title { font-size: 2.8rem; }
}
@media(max-width:768px){
  .hero {
    padding: calc(var(--header-height) + 20px) 0 60px;
  }
  .hero__title { font-size: 2.2rem; }
  .hero__text { font-size: 1.1rem; }
  .hero__bg::after {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7));
  }
  .hero__actions {
    flex-direction: column; align-items: center;
  }
  .hero__features {
    flex-direction: column; gap: 1rem; align-items: center;
  }
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* Вспомогательные анимации */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.service-card, .case-card, .price-card, .review-card, .post-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.service-card.animated, .case-card.animated, .price-card.animated, .review-card.animated, .post-card.animated {
  opacity: 1;
  transform: translateY(0)