:root {
  --bg: #07111c;
  --bg-soft: #0e1d2d;
  --surface: rgba(14, 29, 45, 0.88);
  --surface-strong: #12263a;
  --surface-muted: #0b1623;
  --border: rgba(128, 179, 215, 0.18);
  --border-strong: rgba(102, 192, 244, 0.35);
  --text: #dbe9f5;
  --text-muted: #93a8bc;
  --accent: #66c0f4;
  --accent-strong: #b1ecff;
  --success: #7ecb2b;
  --success-strong: #95dc4e;
  --shadow: 0 28px 72px rgba(3, 9, 16, 0.45);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(102, 192, 244, 0.18), transparent 34%),
    radial-gradient(circle at 85% 15%, rgba(126, 203, 43, 0.14), transparent 26%),
    linear-gradient(180deg, #0c1724 0%, #07111c 100%);
  color: var(--text);
}

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

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
  z-index: -1;
}

.page-shell::before {
  top: 10rem;
  right: -8rem;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  background: rgba(102, 192, 244, 0.09);
  filter: blur(10px);
}

.page-shell::after {
  left: -8rem;
  bottom: 9rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: rgba(126, 203, 43, 0.08);
  filter: blur(16px);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

.section--compact {
  padding-top: 1rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(102, 192, 244, 0.22);
  border-radius: 999px;
  background: rgba(102, 192, 244, 0.08);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section-heading--compact {
  margin-bottom: 1.5rem;
}

.section-heading h2,
.hero h1 {
  margin: 0;
  line-height: 1.04;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-heading p,
.hero__lead,
.advantage-card p,
.service-card__lead,
.faq__intro p,
.faq-answer p,
.contact-card p,
.panel-card__address {
  color: var(--text-muted);
  line-height: 1.7;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(128, 179, 215, 0.12);
  background: rgba(7, 17, 28, 0.8);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand img {
  width: 3.25rem;
  height: 3.25rem;
  padding: 0.45rem;
  border-radius: 1rem;
  background: linear-gradient(160deg, rgba(102, 192, 244, 0.18), rgba(102, 192, 244, 0.06));
  box-shadow: inset 0 0 0 1px rgba(102, 192, 244, 0.12);
}

.brand__copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand__title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand__subtitle {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.site-nav a {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(102, 192, 244, 0.1);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.site-nav__cta {
  border: 1px solid rgba(126, 203, 43, 0.35);
  background: rgba(126, 203, 43, 0.1);
  color: #dffabf;
}

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

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(19rem, 0.95fr);
  gap: 2rem;
  align-items: stretch;
}

.hero__content {
  padding: 1rem 0;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.9rem);
  max-width: 11ch;
}

.hero__lead {
  max-width: 38rem;
  margin: 1.25rem 0 0;
  font-size: 1.08rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.95rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(3, 9, 16, 0.3);
}

.btn--primary {
  background: linear-gradient(135deg, var(--success), var(--success-strong));
  color: #081207;
}

.btn--ghost {
  border-color: rgba(102, 192, 244, 0.28);
  background: rgba(102, 192, 244, 0.08);
  color: var(--accent-strong);
}

.hero__points,
.feature-list,
.faq-answer__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero__points {
  display: grid;
  gap: 0.85rem;
  max-width: 42rem;
  margin-top: 2rem;
}

.hero__points li,
.feature-list li {
  position: relative;
  padding-left: 1.8rem;
  color: var(--text);
  line-height: 1.6;
}

.hero__points li::before,
.feature-list li::before,
.faq-answer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--success));
  box-shadow: 0 0 0 0.25rem rgba(102, 192, 244, 0.08);
}

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

.panel-card,
.stat-card,
.advantage-card,
.service-card,
.contact-card,
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-card--studio {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.3rem;
}

.panel-card__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 9rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(7, 17, 28, 0.45);
}

.panel-card__logo img {
  width: min(100%, 7rem);
  max-height: 5rem;
  object-fit: contain;
}

.panel-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.panel-card__label,
.service-card__tag {
  display: inline-flex;
  width: fit-content;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(102, 192, 244, 0.12);
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
}

.panel-card__title {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 800;
}

.panel-card__address {
  margin: 0;
}

.panel-card__body a,
.site-footer a {
  color: var(--accent-strong);
  text-decoration: none;
}

.panel-card__body a:hover,
.panel-card__body a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

.hero__stats,
.advantages__grid,
.services__grid {
  display: grid;
  gap: 1rem;
}

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

.stat-card {
  padding: 1.1rem;
  background: rgba(10, 20, 31, 0.86);
}

.stat-card span,
.service-meta__item span {
  display: block;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.stat-card strong,
.service-meta__item strong {
  display: block;
  margin-top: 0.4rem;
  font-size: 1.2rem;
}

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

.advantage-card {
  padding: 1.5rem;
}

.advantage-card h3,
.service-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.advantage-card p {
  margin: 0.85rem 0 0;
}

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

.service-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 1.7rem;
}

.service-card--accent {
  background:
    linear-gradient(180deg, rgba(102, 192, 244, 0.08), transparent 38%),
    rgba(14, 29, 45, 0.92);
}

.service-card__lead {
  margin: -0.35rem 0 0;
}

.feature-list {
  display: grid;
  gap: 0.8rem;
}

.service-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.service-meta--stacked {
  grid-template-columns: 1fr;
}

.service-meta__item {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(128, 179, 215, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(7, 17, 28, 0.5);
}

.faq {
  padding-top: 2.5rem;
}

.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
}

.faq__intro {
  position: sticky;
  top: 6.5rem;
}

.contact-card {
  margin-top: 1.5rem;
  padding: 1.4rem;
  background:
    linear-gradient(160deg, rgba(126, 203, 43, 0.08), rgba(102, 192, 244, 0.08)),
    rgba(14, 29, 45, 0.92);
}

.contact-card__title {
  margin: 0;
  color: var(--text);
  font-size: 1.12rem;
  font-weight: 800;
}

.contact-card p + p,
.faq-answer p + p {
  margin-top: 0.85rem;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  overflow: clip;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    background-color 0.2s ease;
}

.faq-item.is-open {
  border-color: var(--border-strong);
  background: rgba(18, 38, 58, 0.95);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.2rem 1.35rem;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.faq-question:hover,
.faq-question:focus-visible {
  background: rgba(102, 192, 244, 0.05);
}

.faq-question span:first-child {
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.45;
}

.faq-icon {
  position: relative;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(102, 192, 244, 0.22);
  border-radius: 50%;
  background: rgba(102, 192, 244, 0.05);
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    background-color 0.22s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.8rem;
  height: 0.12rem;
  border-radius: 999px;
  background: var(--accent-strong);
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  border-color: rgba(126, 203, 43, 0.45);
  background: rgba(126, 203, 43, 0.12);
}

.faq-answer {
  padding: 0 1.35rem 1.35rem;
}

.faq-answer[hidden] {
  display: none;
}

.faq-answer p {
  margin: 0;
}

.faq-answer__list {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0;
}

.faq-answer__list li {
  position: relative;
  padding-left: 1.8rem;
  color: var(--text);
  line-height: 1.6;
}

.site-footer {
  border-top: 1px solid rgba(128, 179, 215, 0.12);
  background: rgba(7, 17, 28, 0.9);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0 2.1rem;
}

.site-footer p {
  margin: 0;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .hero__grid,
  .faq__grid,
  .services__grid,
  .advantages__grid {
    grid-template-columns: 1fr;
  }

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

  .faq__intro {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header__inner,
  .site-footer__inner {
    justify-content: center;
    text-align: center;
  }

  .site-nav {
    justify-content: center;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero h1 {
    max-width: none;
  }

  .panel-card--studio {
    grid-template-columns: 1fr;
  }

  .panel-card__logo {
    min-height: 7rem;
  }

  .hero__stats,
  .service-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  .section {
    padding: 3.5rem 0;
  }

  .brand {
    width: 100%;
    justify-content: center;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav a,
  .btn {
    width: 100%;
  }

  .hero__actions {
    flex-direction: column;
  }

  .service-card,
  .advantage-card,
  .contact-card,
  .faq-question,
  .faq-answer,
  .stat-card {
    border-radius: var(--radius-md);
  }
}
