/* Базовые стили */
:root {
  --color-dark: #0d1117;
  --color-dark-2: #161b22;
  --color-dark-3: #1f2530;
  --color-light: #ffffff;
  --color-muted: #8a94a6;
  --color-accent: #4c6ef5;
  --color-accent-soft: #eef2ff;
  --color-success: #20c997;
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.15);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: all 0.3s ease;
  --container-width: 1200px;
  --gap: 32px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
  background: #f2f4f8;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0 0 16px;
  font-weight: 700;
  color: var(--color-dark);
}

p {
  margin: 0 0 16px;
  color: #4b5566;
}

.container {
  width: min(100% - 40px, var(--container-width));
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header p {
  color: var(--color-muted);
}

.grid {
  display: grid;
  gap: var(--gap);
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font-weight: 600;
  font-size: 16px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: linear-gradient(135deg, #4c6ef5, #4361ee);
  color: var(--color-light);
  box-shadow: 0 14px 24px rgba(76, 110, 245, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 30px rgba(76, 110, 245, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid rgba(76, 110, 245, 0.4);
}

.btn--outline:hover {
  background: var(--color-accent-soft);
}

.btn--light {
  background: var(--color-light);
  color: var(--color-dark);
  box-shadow: var(--shadow-lg);
}

.btn--light:hover {
  transform: translateY(-2px);
}

.link-as-button {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: var(--color-light);
  cursor: pointer;
  transition: var(--transition);
}

.link-as-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

.page-wrapper {
  background: linear-gradient(180deg, #ffffff 0%, #f3f5fb 100%);
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.02em;
}

.logo__accent {
  color: var(--color-accent);
}

.logo--light {
  color: var(--color-light);
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(12, 22, 51, 0.1);
  border-radius: 12px;
  background: var(--color-light);
}

.nav__line {
  width: 20px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
}

.nav__list {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-weight: 500;
}

.nav__list a {
  color: var(--color-muted);
  transition: var(--transition);
}

.nav__list a:hover,
.nav__list a:focus {
  color: var(--color-accent);
}

.header__controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__phone {
  font-weight: 600;
  color: var(--color-dark);
}

.hero {
  padding: 120px 0 80px;
}

.hero__container {
  display: grid;
  gap: 60px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  background: rgba(76, 110, 245, 0.1);
  color: var(--color-accent);
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__text {
  font-size: 18px;
  max-width: 520px;
  color: #3d4658;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}

.hero__metric {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-dark);
}

.hero__visual {
  position: relative;
}

.hero__visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
  max-height: 520px;
}

.hero__card {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--color-light);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 260px;
}

.hero__label {
  display: inline-block;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.partners {
  padding: 40px 0;
}

.partners__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.partners__list {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--color-muted);
  font-weight: 600;
}

.services,
.process,
.pricing,
.cases,
.reviews,
.about,
.team,
.faq,
.blog {
  padding: 100px 0;
}

.card {
  background: var(--color-light);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--color-muted);
}

.card__list li::before {
  content: "•";
  color: var(--color-accent);
  margin-right: 8px;
}

.card__link {
  color: var(--color-accent);
  font-weight: 600;
  margin-top: auto;
}

.card--pricing {
  text-align: left;
}

.card__price {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.card--featured {
  background: linear-gradient(135deg, #4c6ef5, #6a7cf6);
  color: var(--color-light);
}

.card--featured h3,
.card--featured p,
.card--featured li {
  color: var(--color-light);
}

.card--featured .btn--light {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-light);
}

.card__badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.cta {
  padding: 90px 0;
}

.cta--accent {
  background: linear-gradient(135deg, rgba(76, 110, 245, 0.1), rgba(67, 97, 238, 0.2));
}

.cta__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.timeline {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.timeline__item {
  background: var(--color-light);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.timeline__step {
  position: absolute;
  top: -16px;
  left: 24px;
  background: var(--color-accent);
  color: var(--color-light);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.cases__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.case-card {
  background: var(--color-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.case-card img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.case-card__content {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-card__content ul {
  margin: 0;
  padding-left: 18px;
  color: var(--color-muted);
}

.cases__cta {
  margin-top: 48px;
  text-align: center;
}

.reviews__slider {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.review-card {
  background: var(--color-light);
  border-radius: var(--radius-md);
  padding: 26px;
  min-height: 220px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.review-card__text {
  font-style: italic;
  color: #3d4658;
}

.review-card__author {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-weight: 600;
  color: var(--color-dark);
}

.slider-controls {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

.slider-controls__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(76, 110, 245, 0.2);
  background: var(--color-light);
  cursor: pointer;
  transition: var(--transition);
}

.slider-controls__btn:hover {
  background: var(--color-accent);
  color: var(--color-light);
}

.about__container {
  display: grid;
  gap: 60px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
}

.about__stats {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.about__stats li {
  background: var(--color-light);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 150px;
  align-items: flex-start;
}

.about__stats strong {
  font-size: 28px;
}

.team-card {
  background: var(--color-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  text-align: center;
  padding-bottom: 24px;
}

.team-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.accordion__item {
  background: var(--color-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.accordion__toggle {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.accordion__toggle::after {
  content: "+";
  font-size: 22px;
  color: var(--color-accent);
}

.accordion__toggle[aria-expanded="true"]::after {
  content: "−";
}

.accordion__content {
  padding: 0 24px 24px;
  display: none;
}

.accordion__content p {
  margin: 0;
}

.accordion__item.is-open .accordion__content {
  display: block;
}

.card--post {
  gap: 12px;
}

.card__tag {
  display: inline-block;
  background: rgba(76, 110, 245, 0.1);
  color: var(--color-accent);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 80px 0 40px;
}

.footer__top {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 40px;
}

.footer__col h3 {
  color: var(--color-light);
}

.footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__social {
  display: flex;
  gap: 14px;
  margin-top: 18px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__meta {
  display: flex;
  gap: 20px;
}

.btn-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: var(--color-light);
  font-size: 24px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.btn-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal.is-open {
  display: flex;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
}

.modal__dialog {
  position: relative;
  background: var(--color-light);
  padding: 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 520px;
  width: min(520px, 90vw);
  z-index: 1;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: none;
  background: transparent;
  font-size: 24px;
  cursor: pointer;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  color: var(--color-dark);
}

.form input,
.form textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  font: inherit;
  transition: var(--transition);
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(76, 110, 245, 0.2);
}

.form__footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: var(--color-muted);
}

/* Стили для загрузки файлов */
.file-upload {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-upload__label {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 14px;
}

.file-upload__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.file-upload__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border: 2px dashed var(--color-accent);
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.file-upload__button:hover {
  background: var(--color-accent);
  color: var(--color-light);
  border-color: var(--color-accent);
}

.file-upload__input:focus + .file-upload__button {
  outline: none;
  box-shadow: 0 0 0 3px rgba(76, 110, 245, 0.2);
}

.file-upload__filename {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 4px;
  display: none;
}

.file-upload__filename.has-file {
  display: block;
}

.file-upload__filename.has-file::before {
  content: "✓ ";
  color: var(--color-success);
  font-weight: bold;
}

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--color-success);
  color: var(--color-light);
  padding: 14px 20px;
  border-radius: 999px;
  display: none;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 2100;
  opacity: 0;
  pointer-events: none;
}

.toast.is-visible {
  display: inline-flex;
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast__icon {
  font-size: 18px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1024px) {
  .header__container {
    flex-wrap: wrap;
  }

  .nav__list {
    position: fixed;
    top: 76px;
    right: 20px;
    left: 20px;
    flex-direction: column;
    background: var(--color-light);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav__list.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 100px;
  }

  .hero__card {
    position: static;
    margin-bottom: 20px;
  }

  .partners__container {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta__container {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-to-top {
    right: 16px;
    bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}