:root {
  --ink: #0d1720;
  --muted: #667786;
  --paper: #eef3f7;
  --panel: #ffffff;
  --line: rgba(13, 23, 32, 0.13);
  --blue: #123a5a;
  --cyan: #62c7dd;
  --amber: #f0b429;
  --dark: #08131d;
  --shadow: 0 24px 70px rgba(8, 19, 29, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  margin: 0;
}

a {
  color: inherit;
}

.header {
  align-items: center;
  background: var(--dark);
  color: #fff;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem clamp(1rem, 5vw, 4rem);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  gap: 0.8rem;
  text-decoration: none;
}

.brand span {
  background: var(--amber);
  border-radius: 999px;
  color: var(--ink);
  display: grid;
  font-weight: 950;
  height: 44px;
  place-items: center;
  width: 44px;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: rgba(255, 255, 255, 0.62);
}

.nav {
  align-items: center;
  display: flex;
  gap: 1rem;
  font-weight: 850;
}

.nav a {
  text-decoration: none;
}

.button,
.button-outline {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 950;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.15rem;
  text-decoration: none;
}

.button {
  background: var(--amber);
  color: var(--ink);
}

.button-outline {
  background: #fff;
  border: 1px solid var(--line);
}

.hero {
  background:
    linear-gradient(135deg, rgba(8, 19, 29, 0.96), rgba(18, 58, 90, 0.86)),
    url("https://images.unsplash.com/photo-1621905252507-b35492cc74b4?auto=format&fit=crop&w=1800&q=80") center / cover;
  color: #fff;
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 5vw, 4rem);
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  margin: 0 auto;
  max-width: 1240px;
  min-height: 76vh;
}

.eyebrow {
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.15em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(3.1rem, 6.7vw, 6.4rem);
  line-height: 0.92;
  max-width: 900px;
}

h1 em {
  color: var(--amber);
  font-style: normal;
}

.hero p {
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  max-width: 660px;
}

.hero-actions,
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.badges {
  margin-top: 1.5rem;
}

.badges span {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-weight: 850;
  padding: 0.62rem 0.82rem;
}

.diagnostic-card {
  background: rgba(255, 255, 255, 0.94);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--ink);
  overflow: hidden;
}

.diagnostic-card header {
  align-items: center;
  background: #f8fbfd;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 1rem;
}

.status-dot {
  background: #33d17a;
  border-radius: 50%;
  height: 12px;
  width: 12px;
}

.diagnostic-list {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
}

.diagnostic-list div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
}

.diagnostic-list strong {
  display: block;
}

.diagnostic-list span {
  color: var(--muted);
  font-weight: 800;
}

.section {
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 4rem);
}

.section-inner {
  margin: 0 auto;
  max-width: 1220px;
}

.section-title {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  margin-bottom: 1.5rem;
}

.section-title h2 {
  font-size: clamp(2.4rem, 5vw, 5.2rem);
  line-height: 0.95;
}

.section-title p,
.service-card p,
.proof-card p,
.review-card p {
  color: var(--muted);
  line-height: 1.58;
}

.service-board {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card,
.proof-card,
.review-card {
  background: var(--panel);
  padding: 1.2rem;
}

.service-card h3 {
  font-size: 1.45rem;
  margin: 0.8rem 0 0.55rem;
}

.service-card span {
  color: var(--blue);
  font-weight: 950;
}

.proof-band {
  background: var(--dark);
  color: #fff;
}

.proof-band .section-title p,
.proof-band .proof-card p {
  color: rgba(255, 255, 255, 0.68);
}

.proof-grid,
.review-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.proof-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.proof-card h3,
.review-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.55rem;
}

.area-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.area-strip span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 900;
  padding: 0.8rem 1rem;
}

.cta {
  background: var(--blue);
  color: #fff;
}

.cta-panel {
  align-items: center;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
}

.cta-panel h2 {
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 0.95;
}

.footer {
  background: var(--dark);
  color: #fff;
  padding: 1.5rem clamp(1rem, 5vw, 4rem);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
  max-width: 1220px;
}

.sticky-mobile-book {
  display: none;
}

@media (max-width: 860px) {
  body {
    padding-bottom: 82px;
  }

  .nav {
    display: none;
  }

  .hero-grid,
  .section-title,
  .service-board,
  .proof-grid,
  .review-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.65rem, 11vw, 3.55rem);
  }

  .button,
  .button-outline {
    width: 100%;
  }

  .sticky-mobile-book {
    background: rgba(238, 243, 247, 0.96);
    border-top: 1px solid var(--line);
    bottom: 0;
    display: grid;
    gap: 0.6rem;
    grid-template-columns: 1fr 1fr;
    left: 0;
    padding: 0.7rem;
    position: fixed;
    right: 0;
    z-index: 30;
  }

  .sticky-mobile-book .button,
  .sticky-mobile-book .button-outline {
    min-height: 50px;
    padding-left: 0.6rem;
    padding-right: 0.6rem;
  }
}
