:root {
  --primary: #00a9ff;
  --accent: #f9b319;
  --background: #050508;
  --background-alt: #101018;
  --text-main: #f5f5f5;
  --text-muted: #b3b3b3;
  --card-bg: #151520;
  --border-soft: #262637;
}

/* Global reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #101020 0, #020208 55%, #000 100%);
  color: var(--text-main);
  line-height: 1.6;
}

/* Layout helpers */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  height: 110px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1.3rem;
  color: var(--primary);
}

.brand-subtitle {
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  color: #ffffff;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  text-decoration: none;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-phone,
.header-email {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-main);
  white-space: nowrap;
}

.header-phone {
  font-weight: 700;
  color: var(--accent);
}

.header-email {
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 1.1rem;
  padding: 0.2rem 0.4rem;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: stretch;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 4vw, 2.7rem);
  line-height: 1.15;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 1rem;
  max-width: 32rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-badge {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.1s ease,
    box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #020204;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.65);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.85);
}

.btn-outline {
  border-color: var(--border-soft);
  color: var(--text-main);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.04);
}

.btn-full-width {
  width: 100%;
}

/* Hero side card */
.hero-side {
  display: flex;
  align-items: stretch;
}

.hero-card {
  background: radial-gradient(circle at top left, #1b2738, #0b0b15);
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid var(--border-soft);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
}

.hero-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.hero-card ul {
  list-style: none;
  margin-bottom: 1rem;
}

.hero-card li::before {
  content: "•";
  color: var(--primary);
  margin-right: 0.4rem;
}

.hero-card li {
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

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

.section-title {
  font-size: 1.7rem;
  text-align: center;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-intro {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

/* About */
.about-highlight {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 1.5rem;
  border: 1px solid var(--border-soft);
}

.about-highlight h3 {
  margin-bottom: 0.75rem;
}

.about-highlight ul {
  list-style: none;
}

.about-highlight li {
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

.about-highlight li::before {
  content: "✓";
  color: var(--accent);
  margin-right: 0.4rem;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 1.4rem;
  border: 1px solid var(--border-soft);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
}

.service-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  color: #ffffff;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact */
.contact-details p {
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.contact-details a {
  color: var(--primary);
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 1.5rem;
  border: 1px solid var(--border-soft);
}

.form-row {
  margin-bottom: 0.85rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid #333344;
  background: #05050c;
  color: var(--text-main);
  font-size: 0.9rem;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(0, 169, 255, 0.5);
}

.form-note {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  padding: 1.7rem 0 2rem;
  background: #000000;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-contact a {
  color: var(--primary);
  text-decoration: none;
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-brand {
  margin-bottom: 0.25rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding-top: 3.5rem;
  }
}

@media (max-width: 800px) {
  .header-contact {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #050508;
    width: 100%;
    max-width: 260px;
    border-left: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-200%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav a {
    padding: 0.7rem 1rem;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
  }

  .nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 500px) {
  .logo {
    height: 90px;
  }

  .hero-card {
    margin-top: 0.5rem;
  }
}