* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0f10;
  --surface: rgba(19, 25, 27, 0.96);
  --surface-alt: rgba(24, 33, 35, 0.92);
  --border: #263133;
  --text: #f3f7f7;
  --muted: #a7b5b7;
  --accent: #2dd4bf;
  --accent-deep: #14b8a6;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --shadow: rgba(0, 0, 0, 0.28);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(45, 212, 191, 0.12), transparent 30%),
    radial-gradient(circle at bottom left, rgba(45, 212, 191, 0.06), transparent 28%),
    linear-gradient(180deg, #0b0f10 0%, #0e1315 100%);
}

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

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

input,
button {
  font: inherit;
}

.container {
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 15, 16, 0.84);
  border-bottom: 1px solid rgba(38, 49, 51, 0.82);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.brand {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 180ms ease, transform 180ms ease;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  line-height: 1;
}

.brand-logo {
  max-height: 36px;
  width: auto;
}

.brand:hover,
.brand:focus-visible {
  color: var(--accent);
  transform: translateY(-1px);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a,
.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(19, 25, 27, 0.82);
  color: var(--text);
  font-weight: 700;
  text-align: center;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(45, 212, 191, 0.36);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #062a26;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #041f1c;
}

main section {
  padding: 56px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(24, 33, 35, 0.78), rgba(19, 25, 27, 0.9));
}

.hero {
  padding: 64px 0 44px;
}

.hero-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.85fr);
  gap: 24px;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.section-label,
.card-kicker {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero h1,
.section-heading h2,
.card h3,
.cta-panel h2 {
  margin: 0 0 16px;
  line-height: 1.06;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.75rem, 5vw, 5.2rem);
}

.hero-lead,
.hero-note,
.section-heading p,
.card p,
.card-note,
.cta-panel p,
.footer-inner p,
.result-note,
.form-note {
  margin: 0;
  color: var(--muted);
}

.hero-lead {
  max-width: 60ch;
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.hero-note {
  margin-top: 16px;
  color: #d7e4e5;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading.narrow {
  max-width: 760px;
}

.hero-intro,
.hero-title,
.hero-lead,
.hero-note,
.hero-actions,
.hero-card {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 640ms ease forwards;
}

.hero-intro {
  animation-delay: 60ms;
}

.hero-title {
  animation-delay: 120ms;
}

.hero-lead {
  animation-delay: 220ms;
}

.hero-note {
  animation-delay: 280ms;
}

.hero-actions {
  animation-delay: 340ms;
}

.hero-card {
  animation-delay: 220ms;
}

.cards,
.credibility-grid {
  display: grid;
  gap: 18px;
}

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

.card {
  background: linear-gradient(180deg, rgba(19, 25, 27, 0.98), rgba(15, 21, 23, 0.98));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 14px 28px var(--shadow);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-5px);
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.34);
  border-color: rgba(45, 212, 191, 0.34);
}

.hero-card,
.cta-panel,
.credibility-card-accent {
  background: linear-gradient(180deg, rgba(19, 25, 27, 1), rgba(24, 33, 35, 0.96));
}

.hero-metrics {
  display: grid;
  gap: 16px;
}

.metric-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.metric-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.metric-value {
  min-width: 72px;
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}

.metric-copy {
  color: #d7e4e5;
}

.feature-card h3,
.solution-card h3,
.service-card h3,
.credibility-card h3 {
  font-size: 1.45rem;
}

.card-note {
  margin-top: 12px;
  color: #d7e4e5;
  font-size: 0.95rem;
}

.solution-card,
.service-card {
  position: relative;
  overflow: hidden;
}

.solution-card::after,
.service-card::after,
.cta-panel::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.18), transparent 65%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
}

.cta-panel {
  padding: 34px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.contact-section {
  padding-top: 24px;
}

.calculator {
  display: grid;
  gap: 18px;
}

.calculator-inputs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.calculator-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.result-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.result-card strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--text);
}

.result-note {
  margin-top: 12px;
  color: #d7e4e5;
}

.result-card-accent {
  border-color: rgba(45, 212, 191, 0.34);
  background: linear-gradient(180deg, rgba(45, 212, 191, 0.12), rgba(19, 25, 27, 0.98));
}

.contact-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--text);
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(11, 15, 16, 0.82);
  color: var(--text);
}

.field input:focus {
  outline: 2px solid rgba(45, 212, 191, 0.2);
  border-color: rgba(45, 212, 191, 0.45);
}

.contact-form .btn {
  width: 100%;
  margin-top: 8px;
}

.form-note {
  font-size: 0.95rem;
}

.site-footer {
  background: #090d0e;
  color: var(--muted);
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  margin: 0 0 10px;
  color: var(--text);
  font-weight: 700;
}

.reveal-section {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-intro,
  .hero-title,
  .hero-lead,
  .hero-note,
  .hero-actions,
  .hero-card,
  .reveal-section {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}

@media (max-width: 920px) {
  .hero-grid,
  .contact-grid,
  .cards-3,
  .credibility-grid,
  .calculator-inputs,
  .calculator-results {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 700px) {
  .site-header {
    position: static;
  }

  .container {
    width: min(100% - 24px, 1120px);
  }

  .site-nav {
    width: 100%;
    gap: 8px;
  }

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

  main section {
    padding: 46px 0;
  }

  .hero {
    padding-top: 38px;
  }

  .card,
  .cta-panel {
    padding: 20px;
  }

  .cta-actions {
    flex-direction: column;
  }

  .brand-logo {
    max-height: 30px;
  }

  .metric-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 420px) {
  body {
    font-size: 16px;
  }

  .container {
    width: min(100% - 20px, 1120px);
  }

  .hero h1 {
    font-size: 2.35rem;
  }
}