/* === RESET & BASE === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0b;
  --bg-raised: #111113;
  --bg-card: #161618;
  --bg-card-hover: #1c1c1f;
  --border: #222225;
  --border-light: #2a2a2e;
  --text: #e8e8ed;
  --text-muted: #8b8b96;
  --text-dim: #5c5c66;
  --accent: #4f8fff;
  --accent-glow: rgba(79, 143, 255, 0.15);
  --accent-hover: #6ba3ff;
  --green: #34d399;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.logo-work {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 30px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--text-muted);
  background: var(--bg-raised);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.8125rem;
}

.btn-full {
  width: 100%;
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-light);
  color: var(--green);
  background: rgba(52, 211, 153, 0.06);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

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

.hero-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-title {
  margin-bottom: 20px;
}

.hero-main {
  display: block;
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  display: block;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-tagline {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 36px;
}

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 143, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 143, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

/* === SECTIONS === */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 48px;
}

/* === SERVICES === */
.services {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === TECHNOLOGY === */
.technology {
  padding: 100px 0;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.tech-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 40px;
}

.tech-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.tech-bar {
  flex-shrink: 0;
  width: 120px;
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  margin-top: 10px;
}

.tech-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 4px;
  transition: width 1s ease;
}

.tech-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tech-info p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.tech-callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
}

.tech-callout p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.tech-callout strong {
  color: var(--text);
}

/* === ABOUT === */
.about {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-content p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-content strong {
  color: var(--text);
}

.about-stats {
  display: flex;
  gap: 24px;
  margin-top: 32px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.stat-icon {
  font-size: 1.25rem;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 600;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
}

.about-card-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.about-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === CERTIFICATIONS === */
.certs {
  padding: 100px 0;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cert-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.cert-card:hover {
  border-color: var(--border-light);
}

.cert-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.cert-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.cert-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* === CONTACT === */
.contact {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.contact-item a {
  color: var(--accent);
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--accent-hover);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group select {
  appearance: none;
  color: var(--text-dim);
  cursor: pointer;
}

.form-group select:valid {
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* === FOOTER === */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-sub {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-tagline {
  display: none;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-legal {
  text-align: right;
}

.footer-legal p {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-sdvosb {
  color: var(--green);
  font-weight: 500;
  margin-top: 2px;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .about-stats {
    flex-wrap: wrap;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    text-align: center;
  }

  .tech-item {
    flex-direction: column;
    gap: 12px;
  }

  .tech-bar {
    width: 100%;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 60px;
  }
}

@media (max-width: 480px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }

  .hero-badges {
    flex-direction: column;
    align-items: flex-start;
  }
}