:root {
  --font-heading: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;

  --bg: #080d18;
  --bg-soft: #0f1729;
  --surface: #121c31;
  --surface-strong: #1a2842;
  --text: #e8edf8;
  --text-muted: #b6c3de;
  --line: #294166;

  --accent: #2df2c6;
  --accent-2: #d8ff57;
  --accent-deep: #0f8f88;
  --danger: #ff7676;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.4rem;

  --fs-sm: clamp(0.85rem, 0.78rem + 0.24vw, 0.95rem);
  --fs-base: clamp(1rem, 0.94rem + 0.3vw, 1.1rem);
  --fs-h3: clamp(1.2rem, 1rem + 0.8vw, 1.5rem);
  --fs-h2: clamp(1.8rem, 1.4rem + 1.8vw, 2.7rem);
  --fs-h1: clamp(2.3rem, 1.6rem + 3vw, 4.2rem);

  --shadow: 0 12px 40px rgba(8, 13, 24, 0.35);
  --transition: 180ms ease;
}

:root[data-theme="light"] {
  --bg: #f5f8ff;
  --bg-soft: #ecf2ff;
  --surface: #ffffff;
  --surface-strong: #f6faff;
  --text: #0f1b33;
  --text-muted: #40557a;
  --line: #c5d6f5;
  --accent: #007e70;
  --accent-2: #668400;
  --accent-deep: #005d6c;
  --shadow: 0 10px 28px rgba(16, 34, 64, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 15%, rgba(45, 242, 198, 0.14), transparent 36%),
    radial-gradient(circle at 85% 12%, rgba(216, 255, 87, 0.12), transparent 30%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-soft) 100%);
  min-height: 100vh;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-heading);
  line-height: 1.2;
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--accent-2);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  z-index: 1000;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-3);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg), transparent 30%);
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 45%);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-family: var(--font-heading);
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: #03110f;
  font-weight: 700;
}

.logo-text {
  letter-spacing: 0.08em;
  font-weight: 700;
}

.site-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  position: absolute;
  top: 4.6rem;
  left: var(--space-4);
  right: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

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

.site-nav a {
  text-decoration: none;
  font-weight: 600;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 0.55rem;
  padding: 0.42rem;
}

.nav-toggle span {
  width: 1.2rem;
  height: 2px;
  background: var(--text);
}

.theme-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  width: fit-content;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: clip;
  padding: var(--space-8) 0 var(--space-7);
}

.hero-glow {
  position: absolute;
  width: clamp(280px, 45vw, 540px);
  aspect-ratio: 1;
  right: -10%;
  top: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 242, 198, 0.26) 0%, transparent 65%);
  animation: drift 9s ease-in-out infinite alternate;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: var(--space-6);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--fs-sm);
  color: var(--accent);
  font-weight: 700;
}

.hero-copy p {
  max-width: 65ch;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.2rem;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), color var(--transition);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #03110f;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}

.btn-ghost {
  color: var(--text);
  border-color: var(--line);
}

.hero-trust {
  margin: var(--space-5) 0 0;
  padding-left: 1rem;
  color: var(--text-muted);
}

.hero-panel {
  background: color-mix(in srgb, var(--surface), transparent 10%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-5);
}

.metric {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 35%);
}

.metric:last-child {
  border-bottom: 0;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2rem);
  color: var(--accent-2);
}

.metric-label {
  color: var(--text-muted);
}

.section {
  padding: var(--space-7) 0;
}

.section-alt {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface), transparent 10%), transparent 100%);
  border-block: 1px solid color-mix(in srgb, var(--line), transparent 45%);
}

.section-head {
  max-width: 72ch;
  margin-bottom: var(--space-6);
}

.section-head p {
  color: var(--text-muted);
}

.card-grid {
  display: grid;
  gap: var(--space-4);
}

.card,
.price-card,
.value-box,
.contact-form,
.mini-table {
  background: color-mix(in srgb, var(--surface), transparent 5%);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.card,
.price-card {
  padding: var(--space-5);
}

.card p,
.price-card p,
.value-box p {
  color: var(--text-muted);
}

.card ul,
.price-card ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: var(--space-2);
}

.pricing-context {
  display: grid;
  gap: var(--space-5);
}

.small-note {
  font-size: var(--fs-sm);
}

.mini-table {
  overflow: hidden;
}

.mini-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 30%);
}

.mini-table-row:last-child {
  border-bottom: 0;
}

.mini-table-head {
  font-weight: 700;
  background: color-mix(in srgb, var(--surface-strong), transparent 20%);
}

.value-box {
  padding: var(--space-4);
  border-left: 4px solid var(--accent);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.feature-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: color-mix(in srgb, var(--surface), transparent 8%);
}

.feature-list p {
  margin-top: var(--space-2);
  color: var(--text-muted);
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.process-list li {
  position: relative;
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface), transparent 8%);
}

.process-list span {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: var(--space-3);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-deep), transparent 25%);
  color: var(--accent-2);
  font-family: var(--font-heading);
}

.price-sub {
  margin-top: var(--space-2);
}

.price {
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 1.1rem + 0.9vw, 1.7rem);
  color: var(--accent-2);
}

.price-note {
  font-size: var(--fs-sm);
}

.pricing-footnote {
  margin-top: var(--space-5);
  color: var(--text-muted);
}

.contact-grid {
  display: grid;
  gap: var(--space-5);
}

.contact-form {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
}

label {
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 0.7rem 0.78rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), black 3%);
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-status {
  min-height: 1.25rem;
  font-size: var(--fs-sm);
}

.form-status.error {
  color: var(--danger);
}

.form-status.success {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--line), transparent 35%);
  padding: var(--space-6) 0 var(--space-4);
}

.footer-grid {
  display: grid;
  gap: var(--space-4);
}

.footer-brand {
  margin-bottom: var(--space-2);
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
}

.social-links {
  display: inline-flex;
  gap: var(--space-4);
}

.copyright {
  text-align: center;
  color: var(--text-muted);
  margin: var(--space-5) 0 0;
  font-size: var(--fs-sm);
}

.back-to-top {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-size: 1.1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 460ms ease, transform 460ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

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

  .hero-glow,
  .reveal {
    animation: none;
    transition: none;
    transform: none;
    opacity: 1;
  }
}

@media (min-width: 760px) {
  .hero-grid,
  .pricing-context,
  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .pricing-context .value-box {
    grid-column: 1 / -1;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1.1fr 1fr auto;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: inline-flex;
    position: static;
    flex-direction: row;
    align-items: center;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }

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

@keyframes drift {
  from {
    transform: translate(-6%, -4%) scale(1);
  }
  to {
    transform: translate(6%, 4%) scale(1.08);
  }
}