:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --panel: rgba(13, 27, 45, 0.88);
  --panel-border: rgba(127, 194, 255, 0.18);
  --text: #ecf4ff;
  --muted: #a7bbd4;
  --primary: #52b6ff;
  --primary-strong: #0d8ef5;
  --accent: #88ffd1;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
  --radius: 22px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top, rgba(82, 182, 255, 0.15), transparent 40%),
    linear-gradient(180deg, #050b14 0%, #07111f 100%);
  color: var(--text);
}

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

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

code {
  font-family: Consolas, monospace;
  color: var(--accent);
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(5, 11, 20, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.hero,
.section {
  padding: 88px 0;
}

.hero-content,
.split-layout,
.contact-layout,
.download-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: center;
}

.eyebrow,
.section-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(82, 182, 255, 0.12);
  color: #a8dbff;
  font-size: 0.9rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin: 0 0 16px;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.6rem);
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  box-shadow: 0 14px 30px rgba(13, 142, 245, 0.28);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.btn-block {
  width: 100%;
}

.hero-highlights {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-highlights li::before {
  content: "•";
  color: var(--accent);
  margin-right: 10px;
}

.hero-visual,
.download-box,
.contact-card,
.contact-form,
.card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-visual {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

.hero-visual img {
  width: auto;
  max-width: 100%;
  height: auto;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
}

.section-heading {
  max-width: 700px;
  margin-bottom: 32px;
}

.cards-grid {
  display: grid;
  gap: 22px;
}

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

.card {
  padding: 26px;
}

.download-box,
.contact-card,
.contact-form {
  padding: 26px;
}

.download-note,
.form-feedback {
  margin-top: 12px;
  margin-bottom: 0;
  font-size: 0.95rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.price-card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.price-value {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.pricing-flow {
  margin-top: 30px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.pricing-flow h3 {
  margin-bottom: 12px;
}

.pricing-flow ol {
  margin: 0 0 16px;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.7;
}

.pricing-flow li + li {
  margin-top: 6px;
}

.pricing-flow p {
  margin-bottom: 0;
}

.gallery-carousel {
  position: relative;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  transition: width 0.35s ease, height 0.35s ease;
}

.gallery-viewport {
  overflow: hidden;
  display: flex;
  justify-content: center;
}

.gallery-slides {
  position: relative;
  width: fit-content;
  max-width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .gallery-carousel {
    transition: none;
  }
}

.gallery-slide {
  margin: 0;
  overflow: hidden;
  display: none;
  flex-direction: column;
  align-items: center;
  width: fit-content;
  max-width: 100%;
}

.gallery-slide.is-active {
  display: flex;
}

.gallery-slide-access {
  width: min(100%, 900px);
  margin: 0 auto;
}

.gallery-slide-access img {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.gallery-slide img {
  display: block;
  width: auto;
  max-width: min(100%, 900px);
  max-height: min(640px, 78vh);
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  object-position: center center;
}

.gallery-slide figcaption {
  width: 100%;
  padding: 18px 22px 22px;
  color: var(--muted);
  text-align: center;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(5, 11, 20, 0.75);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.gallery-nav:hover {
  background: rgba(13, 27, 45, 0.95);
  border-color: rgba(82, 182, 255, 0.35);
}

.gallery-nav:focus-visible {
  outline: 2px solid rgba(82, 182, 255, 0.6);
  outline-offset: 2px;
}

.gallery-nav-prev {
  left: 12px;
}

.gallery-nav-next {
  right: 12px;
}

.gallery-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 14px 16px 20px;
}

.gallery-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.gallery-dot:hover {
  background: rgba(255, 255, 255, 0.45);
}

.gallery-dot[aria-selected="true"] {
  background: var(--primary);
  transform: scale(1.15);
}

.gallery-dot:focus-visible {
  outline: 2px solid rgba(82, 182, 255, 0.6);
  outline-offset: 2px;
}

.contact-form {
  display: grid;
  gap: 10px;
}

.contact-form label {
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #7990ad;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(82, 182, 255, 0.28);
  border-color: rgba(82, 182, 255, 0.5);
}

.site-footer {
  padding: 30px 0 38px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 920px) {
  .hero-content,
  .split-layout,
  .contact-layout,
  .download-panel,
  .cards-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--panel-border);
    background: rgba(5, 11, 20, 0.96);
  }

  .nav-links.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    padding: 72px 0;
  }

  .navbar {
    min-height: 72px;
  }

  .footer-content {
    flex-direction: column;
  }
}