* {
  box-sizing: border-box;
}

:root {
  --bg: #0f1115;
  --surface: #171b23;
  --surface-soft: #1f2530;
  --accent: #7bdff2;
  --accent-strong: #4aa8c7;
  --text: #eef1f6;
  --muted: #b6bfcc;
  --line: #2a3240;
  --warm: #f7c59f;
  --shadow: 0 20px 50px rgba(8, 10, 15, 0.35);
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.site-header {
  padding: 24px 0 8px;
}

.header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  font-size: 0.95rem;
}

.nav a {
  padding: 6px 10px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid transparent;
}

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

.ad-label {
  font-size: 0.78rem;
  color: var(--warm);
  border: 1px dashed rgba(247, 197, 159, 0.5);
  padding: 6px 10px;
  border-radius: 999px;
}

.hero {
  background: linear-gradient(120deg, rgba(15, 17, 21, 0.95), rgba(15, 17, 21, 0.6)),
    url("https://images.unsplash.com/photo-1773625544992-3812506ba966?w=1400&q=80") center/cover no-repeat;
  padding: 80px 0 90px;
  position: relative;
}

.split {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.split.reverse {
  flex-direction: row-reverse;
}

.hero-text {
  flex: 1 1 420px;
}

.hero-panel {
  flex: 1 1 320px;
  background: rgba(23, 27, 35, 0.8);
  padding: 28px;
  border-radius: 20px;
  border: 1px solid rgba(123, 223, 242, 0.2);
  box-shadow: var(--shadow);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 16px;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.1rem, 3vw, 3.2rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
}

.section {
  padding: 70px 0;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  inset: 12% 60% 12% 6%;
  background: rgba(123, 223, 242, 0.08);
  border-radius: 30px;
  z-index: 0;
}

.section > .container {
  position: relative;
  z-index: 1;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.checklist li {
  padding-left: 26px;
  position: relative;
  margin-bottom: 10px;
}

.checklist li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #0d1117;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.btn:hover,
.btn:focus,
button.btn:hover,
button.btn:focus {
  background: var(--accent-strong);
}

.btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.text-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.text-link:hover,
.text-link:focus {
  color: var(--warm);
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.card {
  flex: 1 1 260px;
  background: var(--surface);
  border-radius: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card-image,
.image-frame {
  background-color: #222934;
  border-radius: 14px;
  overflow: hidden;
}

.card-image img,
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.price {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--warm);
}

.calibration-band {
  background: linear-gradient(120deg, rgba(13, 16, 20, 0.9), rgba(13, 16, 20, 0.6)),
    url("https://images.unsplash.com/photo-1564064927589-19a68c199e42?w=1400&q=80") center/cover no-repeat;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.calibration-band::before {
  display: none;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step {
  padding: 16px;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.form-panel {
  flex: 1 1 420px;
  background: var(--surface);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--line);
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select,
textarea {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0e1116;
  color: var(--text);
  font-family: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: var(--muted);
}

.testimonials {
  background: var(--surface-soft);
}

.quote-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.quote {
  flex: 1 1 280px;
  background: #11151d;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--line);
}

.sticky-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--warm);
  color: #1b1307;
  font-weight: 600;
  box-shadow: var(--shadow);
  z-index: 10;
}

.sticky-cta:hover,
.sticky-cta:focus {
  background: #f2b377;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 70px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.cookie-banner {
  position: fixed;
  left: 24px;
  bottom: 24px;
  width: min(420px, 90%);
  background: #12161f;
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  z-index: 12;
}

.cookie-banner.hidden {
  display: none;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.cookie-actions button {
  flex: 1;
}

.legal {
  padding: 40px 0 80px;
}

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

.legal h2 {
  margin-top: 32px;
}

.contact-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.contact-card {
  flex: 1 1 280px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

@media (max-width: 860px) {
  .sticky-cta {
    right: 16px;
    bottom: 16px;
  }

  .cookie-banner {
    left: 16px;
    bottom: 90px;
  }
}