:root {
  color-scheme: dark;
  --bg: #0f1115;
  --bg-alt: #141821;
  --graphite: #0c0e12;
  --card: rgba(18, 22, 30, 0.9);
  --line: rgba(255, 255, 255, 0.08);
  --text: #e6eef6;
  --muted: #9aa6b2;
  --accent: #2fffd6;
  --accent-strong: #37b9ff;
  --accent-deep: #35f0c3;
  --glow: rgba(47, 255, 214, 0.25);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1180px;
  --transition: 180ms ease;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: linear-gradient(150deg, rgba(18, 22, 30, 0.98), rgba(8, 11, 16, 0.98));
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.section {
  padding: 120px 0;
  position: relative;
  z-index: 2;
}

#services {
  background: var(--bg);
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 2vw + 1.4rem, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
  max-width: 620px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(10, 12, 16, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  width: 120px;
  height: auto;
}

.nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
  font-size: 0.95rem;
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch a {
  text-decoration: none;
  padding: 6px 12px;
  font-size: 0.85rem;
  color: var(--muted);
  background: transparent;
  transition: background var(--transition), color var(--transition);
}

.lang-switch a.is-active {
  background: rgba(47, 255, 214, 0.12);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 500;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041217;
  box-shadow: 0 0 22px rgba(47, 255, 214, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(47, 255, 214, 0.5);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
  background: rgba(10, 12, 16, 0.3);
}

.btn-ghost:hover {
  border-color: rgba(47, 255, 214, 0.6);
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  margin-left: auto;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 0 20px 20px;
}

.hero {
  padding-top: 160px;
  padding-bottom: 120px;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(20, 30, 40, 0.35), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(12, 20, 24, 0.4), transparent 50%),
    linear-gradient(180deg, #07090d 0%, #0a0d12 45%, #0b0f14 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 0 0;
  background:
    radial-gradient(circle at 18% 32%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
    radial-gradient(circle at 82% 24%, color-mix(in srgb, var(--accent-strong) 16%, transparent), transparent 62%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-alt) 30%, transparent), transparent 65%);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 20%, #000 0 55%, transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  align-items: center;
}

.hero-center {
  place-items: center;
  text-align: center;
}

.hero-center .hero-content {
  max-width: 720px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.4rem, 3vw + 1.5rem, 3.8rem);
  line-height: 1.1;
  margin-bottom: 20px;
  font-weight: 600;
}

.hero .lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  justify-content: center;
}


.hero-card {
  position: relative;
}

.hero-card-inner {
  background: linear-gradient(160deg, rgba(17, 23, 32, 0.9), rgba(12, 16, 22, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-card-inner h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.hero-card-inner p {
  color: var(--muted);
  margin-bottom: 24px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.stat-grid span {
  font-size: 1.3rem;
  font-weight: 600;
}

.stat-grid small {
  color: var(--muted);
}

.hero-card-glow {
  position: absolute;
  inset: -60px;
  background: radial-gradient(circle at top, rgba(47, 255, 214, 0.18), transparent 60%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid,
.hero-content {
  position: relative;
  z-index: 2;
}

.card-grid {
  display: grid;
  gap: 24px;
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: linear-gradient(160deg, rgba(18, 22, 30, 0.95), rgba(10, 12, 18, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 24px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  position: relative;
  overflow: hidden;
  transition: transform 200ms ease, border 200ms ease, box-shadow 200ms ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 10%, rgba(47, 255, 214, 0.12), transparent 55%);
  opacity: 0.6;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(47, 255, 214, 0.35);
  box-shadow: 0 0 20px rgba(47, 255, 214, 0.15), inset 0 0 0 1px rgba(47, 255, 214, 0.2);
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.icon-chip {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: rgba(47, 255, 214, 0.12);
  border: 1px solid rgba(47, 255, 214, 0.25);
}

.icon-chip svg {
  width: 18px;
  height: 18px;
}

.card h3 {
  font-size: 1.1rem;
  line-height: 1.25;
  min-height: 2.5em;
  margin: 0;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.result-tag {
  margin-top: auto;
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text);
  background: rgba(10, 12, 16, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.02em;
}


.timeline {
  display: grid;
  --timeline-gap: 28px;
  --timeline-arrow: rgba(47, 255, 214, 0.35);
  --timeline-stem: 2px;
  --timeline-head: 10px;
  gap: var(--timeline-gap);
  justify-items: center;
}

.timeline-step {
  padding: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(120deg, rgba(18, 22, 30, 0.9), rgba(10, 12, 16, 0.9));
  display: grid;
  gap: 8px;
  text-align: center;
  max-width: 520px;
  width: 100%;
  position: relative;
}

.timeline-step span {
  font-size: 0.9rem;
  color: var(--accent);
}

.timeline-step:not(:first-child)::before {
  content: none;
}

.timeline-step:not(:first-child)::after {
  content: none;
}

.timeline-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  width: var(--timeline-head);
  height: var(--timeline-gap);
  background: var(--timeline-arrow);
  clip-path: polygon(
    calc(50% - (var(--timeline-stem) * 0.5)) 0,
    calc(50% + (var(--timeline-stem) * 0.5)) 0,
    calc(50% + (var(--timeline-stem) * 0.5)) calc(100% - var(--timeline-head)),
    100% calc(100% - var(--timeline-head)),
    50% 100%,
    0 calc(100% - var(--timeline-head)),
    calc(50% - (var(--timeline-stem) * 0.5)) calc(100% - var(--timeline-head))
  );
}

.cases-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.blog-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.blog-card {
  padding: 24px;
  border-radius: var(--radius-sm);
  background: rgba(17, 21, 30, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: grid;
  gap: 10px;
}

.blog-card span {
  color: var(--accent-strong);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.accordion {
  display: grid;
  gap: 12px;
}

.accordion-item {
  text-align: left;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: rgba(15, 19, 26, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 10px;
  transition: border var(--transition);
}

.accordion-item span {
  font-weight: 500;
}

.accordion-item em {
  color: var(--muted);
  font-style: normal;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.accordion-item[aria-expanded="true"] {
  border-color: rgba(47, 255, 214, 0.45);
}

.accordion-item[aria-expanded="true"] em {
  max-height: 80px;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(13, 16, 22, 0.9);
  border: 1px solid rgba(47, 255, 214, 0.2);
  box-shadow: 0 0 30px rgba(47, 255, 214, 0.08);
}

.lead-form .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.lead-form label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
}

.lead-form input,
.lead-form textarea {
  background: rgba(8, 10, 14, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: none;
  border-color: rgba(47, 255, 214, 0.6);
  box-shadow: 0 0 0 2px rgba(47, 255, 214, 0.15);
}

.lead-form .full {
  grid-column: 1 / -1;
}

.captcha-wrap {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
}

.captcha-error {
  color: #ff9fa0;
  font-size: 0.8rem;
  min-height: 1em;
}

.lead-form .error {
  display: none;
  color: #ff9fa0;
  font-size: 0.8rem;
}

.lead-form .invalid .error {
  display: block;
}

.form-note {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.85rem;
}

.contacts-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.contact-card {
  padding: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(18, 22, 30, 0.95), rgba(12, 14, 20, 0.9));
  border: 1px solid rgba(47, 255, 214, 0.2);
}

.site-footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  background: rgba(10, 12, 16, 0.95);
  border: 1px solid rgba(47, 255, 214, 0.35);
  padding: 16px 24px;
  border-radius: 12px;
  color: var(--text);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.98);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 20;
  text-align: center;
  max-width: min(420px, 90vw);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.toast.is-error {
  border-color: rgba(255, 88, 88, 0.6);
  background: rgba(20, 8, 8, 0.92);
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

.bg-orb {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
  z-index: 0;
  pointer-events: none;
}

.bg-orb-a {
  top: -160px;
  left: -120px;
  background: radial-gradient(circle, rgba(55, 185, 255, 0.55), transparent 60%);
}

.bg-orb-b {
  bottom: -200px;
  right: -120px;
  background: radial-gradient(circle, rgba(47, 255, 214, 0.45), transparent 60%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 1080px) {
  .nav {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .mobile-menu a {
    padding: 8px 0;
    color: var(--muted);
  }
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .section {
    padding: 90px 0;
  }

  .hero {
    padding-top: 130px;
    padding-bottom: 90px;
  }

  .hero-card-inner {
    padding: 24px;
  }

  .lead-form {
    padding: 22px;
  }

  .toast {
    left: 50%;
    right: auto;
    width: calc(100% - 32px);
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

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

  .services-grid {
    grid-template-columns: 1fr;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
  }
}