:root {
  --blue: rgb(107, 174, 250);
  --blue-soft: rgba(107, 174, 250, 0.4);
  --dark: #14171B;
  --frost: #E8F4FF;
  --ice: #C9D7E8;
  --radius: 14px;
  --max-width: 1400px;
  --transition: .25s ease;
}

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

body {
  background: var(--dark);
  color: var(--frost);
  font-family: "Inter", sans-serif;
  position: relative;
  overflow-x: hidden;
}

.card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
  border-radius: var(--radius);
  padding: 24px;
}

header {
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(20,23,27,0.7);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: var(--max-width);
  margin: auto;
  padding: 22px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
}

nav a {
  color: var(--frost);
  margin-left: 22px;
  text-decoration: none;
  transition: var(--transition);
}

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

.cta {
  background: var(--blue);
  padding: 10px 18px;
  border-radius: var(--radius);
  color: var(--dark);
  font-weight: 600;
  transition: var(--transition);
}

.cta:hover { 
  opacity: 0.8;
  transform: translateY(-2px);
}

.hero {
  max-width: var(--max-width);
  margin: auto;
  padding: 100px 40px 60px;
  display: grid;
  gap: 40px;
}

@media(min-width: 768px) {
  .hero { 
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

h1 {
  font-size: 3rem;
  margin: 0 0 20px;
  background: linear-gradient(to right, var(--blue), var(--frost));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

@media(max-width: 768px) {
  h1 { font-size: 2rem; }
}

.lead {
  max-width: 600px;
  color: var(--ice);
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.igloo-bg {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle at 50% 30%, var(--blue-soft), transparent 70%);
  opacity: 0.22;
  z-index: -1;
  pointer-events: none;
}

.grid {
  display: grid;
  gap: 22px;
}

@media(min-width: 768px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.block-icon {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: var(--blue-soft);
  margin-bottom: 12px;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  color: var(--ice);
  line-height: 1.6;
}

.step strong {
  color: var(--blue);
  font-size: 1.2rem;
  display: block;
  margin-bottom: 8px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--ice);
}

input, textarea, select {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--frost);
  font-family: inherit;
  transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(255,255,255,0.08);
}

button {
  background: var(--blue);
  color: var(--dark);
  border: none;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

button:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

.container {
  max-width: var(--max-width);
  margin: auto;
  padding: 60px 40px;
}

h2 {
  color: var(--blue);
  margin-bottom: 12px;
  font-size: 2rem;
}

.section-intro {
  color: var(--ice);
  margin-bottom: 32px;
  font-size: 1.1rem;
}

footer {
  text-align: center;
  padding: 40px;
  color: var(--ice);
  border-top: 1px solid rgba(255,255,255,0.08);
  max-width: var(--max-width);
  margin: auto;
}

.stats {
  display:flex;
  justify-content:space-around; 
  flex-wrap:wrap; 
  text-align:center;
}

.stat-item {
  padding: 20px;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--ice);
}

.partners {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  align-items: center;
}

.partner-item {
  text-align: center;
  padding: 24px;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--frost);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 24px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ice);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  transition: var(--transition);
  min-height: 120px;
}

.tech-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--frost);
  transform: translateY(-2px);
}

.tech-item img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 12px;
  opacity: 0.9;
}

.tech-item:hover img {
  opacity: 1;
}

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

@media(min-width: 768px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(min-width: 1200px) {
  .case-grid { grid-template-columns: repeat(3, 1fr); }
}

.case-card h3 {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 1.5rem;
}
.case-card p {
  color: var(--ice);
  line-height: 1.6;
  margin-bottom: 0;
}