:root {
  --bg: #050608;
  --bg-alt: #0b1119;
  --accent: #3fd18f;
  --accent-soft: rgba(63, 209, 143, 0.12);
  --text: #f5f7fb;
  --muted: #a3a7b5;
  --border: #252a38;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top left, #141b23, #050608 60%);
  color: var(--text);
  font-family: var(--font-main);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.7));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.logo-main {
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 18px;
  text-transform: uppercase;
}
.logo-sub {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}
.nav a {
  color: var(--muted);
  position: relative;
  padding-bottom: 3px;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.18s ease-out;
}
.nav a:hover {
  color: var(--text);
}
.nav a:hover::after {
  width: 100%;
}

/* HERO */

.hero {
  padding: 48px 0 32px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: start;
}

.hero-text h1 {
  font-size: 32px;
  margin: 0 0 12px;
}
.hero-text p {
  margin: 0 0 10px;
}
.hero-sub {
  color: var(--muted);
  max-width: 520px;
}
.hero-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* BOXES */

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-box {
  background: radial-gradient(circle at top left, rgba(63, 209, 143, 0.18), rgba(10, 12, 20, 0.98));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(63, 209, 143, 0.35);
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}
.hero-box h2 {
  margin: 0 0 8px;
  font-size: 18px;
}
.hero-box p {
  margin: 0 0 6px;
}
.hero-box ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}
.hero-box li {
  font-size: 14px;
  color: var(--muted);
}

.small {
  font-size: 12px;
  color: var(--muted);
}

/* SECTIONS */

.section {
  padding: 40px 0;
}
.section.alt {
  padding: 40px 0;
  background: radial-gradient(circle at top right, #101725, #050608 60%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 16px;
  font-size: 24px;
}
.section p {
  margin: 0 0 10px;
  color: var(--muted);
}

/* GRID */

.grid {
  display: grid;
  gap: 18px;
}
.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* CARDS */

.card {
  background: rgba(9, 11, 18, 0.96);
  border-radius: var(--radius);
  padding: 16px 14px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}
.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.card p {
  margin: 0;
  font-size: 14px;
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease-out, color 0.15s ease-out, transform 0.1s ease-out, box-shadow 0.1s ease-out;
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #a6ffd0);
  color: #00140a;
  font-weight: 600;
  box-shadow: 0 12px 35px rgba(63, 209, 143, 0.4);
}
.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(63, 209, 143, 0.55);
}
.btn.secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}
.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.04);
}

/* FORMS */

.contact-form {
  margin-top: 18px;
  background: rgba(7, 9, 15, 0.96);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  border: 1px solid var(--border);
}
.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 12px;
}
.form-row label {
  flex: 1;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.form-row label.full {
  flex: 1 1 100%;
}
input, textarea {
  background: #05060b;
  border: 1px solid #262a33;
  border-radius: 7px;
  padding: 8px 9px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(63, 209, 143, 0.5);
}
textarea {
  resize: vertical;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid var(--border);
  background: #050609;
  padding: 16px 0 20px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}
.footer-copy {
  font-size: 12px;
}

/* RESPONSIVE */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-side {
    order: -1;
  }
  .grid.two {
    grid-template-columns: 1fr;
  }
  .grid.three {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .nav {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
  }
  .grid.three {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 32px;
  }
}