:root {
  --color-primary: #1d5df2;
  --color-primary-dark: #1547b5;
  --color-accent: #ff6b4a;
  --color-dark: #1f2933;
  --color-muted: #6b7280;
  --color-background: #f4f7fb;
  --color-surface: #ffffff;
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --line-height-base: 1.6;
  --shadow-soft: 0 20px 45px rgba(17, 24, 39, 0.12);
  --shadow-card: 0 15px 30px rgba(15, 23, 42, 0.1);
  --max-width: 1140px;
  --border-radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  color: var(--color-dark);
  background: var(--color-background);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

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

a:hover,
a:focus-visible {
  color: var(--color-primary);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

button {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header__top {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.8rem 0;
  width: 100%;
}

.header__meta {
  display: grid;
  gap: 0.4rem;
  font-size: 0.92rem;
  color: var(--color-muted);
  align-items: start;
}

.header__phone-secondary {
  display: none;
}

.header__address {
  display: none;
}

.header__cta {
  display: grid;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(29, 93, 242, 0.1);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-soft);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 25px 45px rgba(29, 93, 242, 0.22);
  color: #fefefe;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  position: relative;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.nav__logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(29, 93, 242, 0.85), rgba(255, 107, 74, 0.85));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

.nav__toggle {
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 10px;
  padding: 0.35rem;
  cursor: pointer;
  color: var(--color-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav__menu {
  display: none;
  position: absolute;
  inset: calc(100% + 0.5rem) 0 auto 0;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow-card);
  flex-direction: column;
  gap: 0.9rem;
  font-size: 1rem;
  z-index: 20;
}

.nav__menu--open {
  display: flex;
}

.hero {
  padding: 4.5rem 0 3rem;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(29, 93, 242, 0.18), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(255, 107, 74, 0.2), transparent 48%);
  z-index: -1;
}

.hero__layout {
  display: grid;
  gap: 2.5rem;
}

.hero__headline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__title {
  font-size: clamp(2.2rem, 7vw, 3.4rem);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.03em;
}

.hero__description {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.03rem;
}

.hero__features {
  display: grid;
  gap: 1rem;
}

.hero__feature {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}

.hero__feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(29, 93, 242, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.hero__media {
  position: relative;
}

.hero__media::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -8% 6% -12% 18%;
  background: linear-gradient(150deg, rgba(29, 93, 242, 0.25), rgba(255, 107, 74, 0.15));
  border-radius: clamp(18px, 4vw, 46px);
  filter: blur(40px);
}

.hero__figure {
  position: relative;
  border-radius: clamp(18px, 4vw, 40px);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.section {
  padding: 3.5rem 0;
}

.section__title {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.section__intro {
  max-width: 640px;
  margin: 0 0 1.8rem;
  color: var(--color-muted);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--two {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 640px) {
  .grid--two {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  padding: 1.8rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card__image {
  margin-bottom: 1.2rem;
}

.card__image img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--border-radius) * 0.6);
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 25px 55px rgba(15, 23, 42, 0.16);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(29, 93, 242, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.card__title {
  font-size: 1.22rem;
  margin: 0 0 0.6rem;
}

.card__text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.97rem;
}

.steps {
  background: var(--color-surface);
  border-radius: clamp(20px, 5vw, 40px);
  padding: clamp(2.2rem, 5vw, 3rem);
  box-shadow: var(--shadow-card);
}

.step {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.step__index {
  flex: 0 0 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(255, 107, 74, 0.12);
  color: var(--color-accent);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step__body strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.pricing {
  display: grid;
  gap: 1.5rem;
}

.price-card {
  background: linear-gradient(140deg, rgba(29, 93, 242, 0.95), rgba(21, 71, 181, 0.85));
  color: #fff;
  border-radius: var(--border-radius);
  padding: 2.2rem 1.8rem;
  position: relative;
  overflow: hidden;
}

.price-card::after {
  content: "";
  position: absolute;
  inset: 50% -25% -40% 40%;
  background: rgba(255, 255, 255, 0.12);
  filter: blur(60px);
  transform: rotate(-12deg);
}

.price-card__label {
  display: inline-flex;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.price-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.price-card__price {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.3rem;
}

.price-card__features {
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.price-card__features li::before {
  content: "•";
  color: rgba(255, 255, 255, 0.6);
  margin-right: 0.4rem;
}

.showcase {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.showcase__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  background: linear-gradient(140deg, rgba(29, 93, 242, 0.08), rgba(255, 107, 74, 0.08));
  min-height: 180px;
}

.showcase__label {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  background: rgba(17, 24, 39, 0.76);
  color: #fff;
  padding: 0.6rem 0.85rem;
  border-radius: 12px;
  font-size: 0.92rem;
}

.faq {
  display: grid;
  gap: 1rem;
}

.faq__item {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  padding: 1.4rem;
  box-shadow: var(--shadow-card);
}

.faq__item summary {
  font-weight: 600;
  font-size: 1.02rem;
  cursor: pointer;
}

.faq__item summary::marker {
  color: var(--color-primary);
}

.faq__item p {
  margin: 0.8rem 0 0;
  color: var(--color-muted);
}

.blog {
  display: grid;
  gap: 1.4rem;
}

.blog__card {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: grid;
}

.blog__content {
  padding: 1.5rem;
}

.blog__meta {
  display: flex;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.6rem;
}

.contact {
  display: grid;
  gap: 1.6rem;
}

.contact__grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 1fr;
}

.contact__card {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  padding: 1.6rem;
  box-shadow: var(--shadow-card);
}

.contact__card ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
  color: var(--color-muted);
}

.form {
  display: grid;
  gap: 1rem;
}

.form__field {
  display: grid;
  gap: 0.4rem;
}

.form__field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.form__field input,
.form__field textarea,
.form__field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  font: inherit;
}

.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
  border-color: rgba(29, 93, 242, 0.6);
  box-shadow: 0 0 0 3px rgba(29, 93, 242, 0.15);
  outline: none;
}

#callback-form[data-human-verified="false"] {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

#callback-form[data-human-verified="false"]::before {
  content: "🤖 Защита от спама активна";
  position: absolute;
  top: -25px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 12px;
  color: #666;
  background: #f8f9fa;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid #e9ecef;
}

#callback-form[data-human-verified="true"] {
  transition: opacity 0.3s ease;
}

#callback-form input:disabled,
#callback-form select:disabled,
#callback-form button:disabled {
  background-color: #f8f9fa;
  border-color: #e9ecef;
  color: #6c757d;
  cursor: not-allowed;
}

#callback-form button:disabled {
  font-size: 13px;
  padding: 8px 12px;
}

.map {
  border: none;
  width: 100%;
  min-height: 280px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
}

.footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.88);
  padding: 3rem 0 2rem;
}

.footer__grid {
  display: grid;
  gap: 1.8rem;
}

.footer__title {
  margin: 0 0 0.8rem;
  font-size: 1.05rem;
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.72);
}

.footer__bottom {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.scroll-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: none;
  background: rgba(29, 93, 242, 0.95);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.scroll-top:hover,
.scroll-top:focus-visible {
  transform: translateY(-4px);
}

@media (min-width: 640px) {
  .header__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .header__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    align-items: center;
  }

  .header__phone-secondary {
    display: inline;
  }

  .header__address {
    display: inline;
  }

  .header__cta {
    display: flex;
    gap: 0.8rem;
    align-items: center;
  }

  .nav__menu {
    position: static;
    display: flex;
    background: transparent;
    padding: 0;
    box-shadow: none;
    flex-direction: row;
    gap: 1.4rem;
    align-items: center;
    font-size: 0.95rem;
  }

  .nav__toggle {
    display: none;
  }

  .hero__layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }

  .pricing {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__grid-main {
    /* Half width - handled by grid-template-columns */
  }

  .footer__grid-quarter {
    /* Quarter width - handled by grid-template-columns */
  }
}

@media (min-width: 960px) {
  .section {
    padding: 5rem 0;
  }

  .hero {
    padding: 6rem 0 4rem;
  }

  .hero__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3.5rem;
  }

  .grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pricing {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@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;
  }
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.works-hero__layout {
  display: grid;
  gap: 1.5rem;
}

.works-hero__text {
  display: grid;
  gap: 1rem;
}

.works-hero__aside {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  color: var(--color-muted);
}

.works-gallery-section {
  background: var(--color-background);
}

.works-gallery {
  column-count: 1;
  column-gap: 1rem;
}

.works-gallery__item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.works-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 768px) {
  .works-hero__layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
  }

  .works-gallery {
    column-count: 2;
  }
}

@media (min-width: 1024px) {
  .works-gallery {
    column-count: 3;
  }
}

/* Blog Styles */
.blog-articles-wrapper {
  padding-top: 0;
}

.blog-articles {
  display: grid;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.article-card {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.article-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  line-height: 1.3;
}

.article-title a {
  color: #1f2937;
  text-decoration: none;
}

.article-title a:hover {
  color: #2563eb;
}

.article-meta {
  color: #6b7280;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.article-description {
  color: #4b5563;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.read-more {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
}

.read-more:hover {
  color: #1d4ed8;
}

.no-articles {
  text-align: center;
  color: #6b7280;
  font-size: 1.1rem;
  margin-top: 3rem;
}

.main-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Blog Article Page Styles */
.blog-article-container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.blog-back-link {
  display: inline-block;
  color: #6b7280;
  text-decoration: none;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.blog-back-link:hover {
  color: #2563eb;
}

.blog-article {
  background: #fff;
  border-radius: 16px;
  padding: 3rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.blog-article-header {
  margin-bottom: 2rem;
  text-align: center;
}

.blog-article-title {
  font-size: 2.5rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: #1f2937;
  line-height: 1.2;
}

.blog-article-meta {
  color: #6b7280;
  font-size: 1rem;
}

.blog-article-image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 12px;
  margin: 2rem 0;
}

.blog-article-content {
  font-size: 1.1rem;
  line-height: 1.7;
}

#article-content h1,
#article-content h2,
#article-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

#article-content h1 {
  font-size: 2rem;
}

#article-content h2 {
  font-size: 1.6rem;
}

#article-content h3 {
  font-size: 1.3rem;
}

#article-content p {
  margin-bottom: 1.5rem;
}

#article-content pre {
  background: #1f2937;
  color: #f9fafb;
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

#article-content code {
  background: rgba(31, 41, 55, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

#article-content blockquote {
  border-left: 4px solid #e5e7eb;
  padding-left: 1rem;
  margin-left: 0;
  font-style: italic;
  color: #6b7280;
}

#article-content ul,
#article-content ol {
  padding-left: 2rem;
  margin-bottom: 1.5rem;
}

#article-content li {
  margin-bottom: 0.5rem;
}

@media (max-width: 640px) {
  .blog-article {
    padding: 2rem 1.5rem;
  }

  .blog-article-title {
    font-size: 2rem;
  }
}

/* 404 Error Page Styles */
.error-404 {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  text-align: center;
}

.error-404__content {
  max-width: 500px;
}

.error-404__title {
  font-size: 6rem;
  font-weight: 700;
  color: #2563eb;
  margin: 0 0 1rem 0;
  line-height: 1;
}

.error-404__subtitle {
  font-size: 2rem;
  font-weight: 600;
  color: #1f2937;
  margin: 0 0 1rem 0;
}

.error-404__message {
  font-size: 1.1rem;
  color: #6b7280;
  margin: 0 0 2rem 0;
  line-height: 1.6;
}

.error-404__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .error-404__title {
    font-size: 4rem;
  }

  .error-404__subtitle {
    font-size: 1.5rem;
  }

  .error-404__actions {
    flex-direction: column;
    align-items: center;
  }

  .error-404__actions .btn {
    width: 100%;
    max-width: 200px;
  }
}

/* Blog Block Styles for Home Page */
.blog__description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #6b7280;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog__more {
  text-align: center;
  margin-top: 2rem;
}

.call-button-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.call-button-wrapper .button {
  width: 100%;
  max-width: 300px;
}

@media (max-width: 480px) {
  .call-button-wrapper {
    flex-direction: column;
    align-items: center;
  }

  .call-button-wrapper .button {
    width: 100%;
    max-width: 200px;
  }
}