:root {
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-soft: #eef2ff;
  --bg: #fcfcfd;
  --bg-soft: #f6f7fb;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-soft: #f8fafc;
  --text: #0f172a;
  --text-soft: #64748b;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.14);
  --brand: #0f172a;
  --brand-hover: #020617;
  --ok: #166534;
  --err: #991b1b;
  --ok-bg: #f0fdf4;
  --err-bg: #fef2f2;
  --ok-border: #86efac;
  --err-border: #fca5a5;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 24px 60px rgba(15, 23, 42, 0.10);
  --container: 1120px;
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 23, 42, 0.03), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 23, 42, 0.025), transparent 24%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

main {
  width: 100%;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 10001;
  background: #ffffff;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

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

.narrow {
  max-width: 860px;
}

#services,
#about,
#contact {
  scroll-margin-top: 110px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-h);
  background: rgba(252, 252, 253, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
}

.brand-text {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-left: auto;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--text);
}

.site-nav a:focus-visible,
.button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* Hero */
.hero {
  padding: 96px 0 64px;
  background:
    radial-gradient(circle at 20% 20%, rgba(15, 23, 42, 0.05), transparent 34%),
    radial-gradient(circle at 80% 30%, rgba(15, 23, 42, 0.035), transparent 32%),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 40px;
  align-items: start;
}

.hero-layout > * {
  min-width: 0;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  max-width: 11ch;
}

.hero-text,
.section-intro,
.muted,
.field-help,
.privacy-note,
.quote-author {
  color: var(--text-soft);
}

.hero-text {
  max-width: 62ch;
  font-size: 1.05rem;
  margin: 0 0 28px;
}

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

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.button:hover,
.button:focus {
  background: var(--accent-hover);
  border-color: var(--brand-hover);
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.18);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border-color: var(--border);
  box-shadow: none;
}

.button-secondary:hover,
.button-secondary:focus {
  background: #ffffff;
  border-color: var(--border-strong);
  color: var(--text);
}

/* Lists */
.trust-list,
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-list li {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  color: var(--text-soft);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.clean-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--text);
  transform: translateY(-50%);
}

/* Sections */
.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--bg-soft);
}

.section h2 {
  margin: 0 0 14px;
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.section-intro {
  margin: 0;
  max-width: 62ch;
}

/* Cards */
.card,
.info-panel,
.contact-card,
.soft-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card {
  padding: 28px;
}

.info-panel {
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.info-panel h2,
.contact-card h3,
.soft-card h3,
.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.card-grid .card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card-grid .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
  border-color: rgba(15, 23, 42, 0.12);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.stat {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  min-width: 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.stat strong {
  display: block;
  font-size: 1.4rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat span {
  display: block;
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* Quote */
blockquote {
  margin: 0;
  padding: 18px 0 0;
  border: 0;
  color: var(--text);
  font-size: 1rem;
}

.quote-author {
  margin-top: 10px;
  font-size: 0.92rem;
}

/* Grids */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  margin-top: 32px;
}

.card-grid > * {
  min-width: 0;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: start;
}

.split > * {
  min-width: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.contact-intro-block {
  grid-column: 1;
  grid-row: 1;
}

/* Form */
.contact-form {
  grid-column: 1;
  grid-row: 2;
  position: relative;
  padding: 28px;
}

.contact-card {
  grid-column: 2;
  grid-row: 2;
  align-self: start;
}

.honeypot {
  position: absolute;
  left: -5000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

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

label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.95rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 15px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input,
textarea,
button {
  appearance: none;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(15, 23, 42, 0.22);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.05);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.field-help {
  margin-top: 8px;
  font-size: 0.92rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
}

.privacy-note {
  font-size: 0.92rem;
}

/* Alerts */
.alert {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid;
  font-size: 0.95rem;
}

.alert.ok {
  background: var(--ok-bg);
  border-color: var(--ok-border);
  color: var(--ok);
}

.alert.err {
  background: var(--err-bg);
  border-color: var(--err-border);
  color: var(--err);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: var(--bg-soft);
}

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

.site-footer p {
  margin: 0;
  color: var(--text-soft);
}

.site-footer a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

.site-footer a:hover,
.site-footer a:focus {
  text-decoration: underline;
}

/* Text safety */
p,
h1,
h2,
h3,
blockquote,
.site-nav a,
.privacy-note,
.field-help,
.quote-author,
.section-intro {
  overflow-wrap: break-word;
}

.button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .split,
  .form-row,
  .stats,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-intro-block,
  .contact-form,
  .contact-card {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  #services,
  #about,
  #contact {
    scroll-margin-top: 140px;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 14px 18px;
  }

  .hero {
    padding: 56px 0 32px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

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

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