:root {
  --bg-deep: #080c10;
  --bg-surface: #0f1419;
  --bg-elevated: #161d27;
  --bg-card: #1a2332;
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-cyan: #00c4d1;
  --accent-blue: #3b8fd9;
  --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 196, 209, 0.35);
  --nav-height: 4.5rem;
  --radius: 0.75rem;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

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

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

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  width: min(72rem, 100% - 2rem);
  margin-inline: auto;
}

/* ── Fixed Navbar ── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(8, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo img {
  height: 2.25rem;
  width: auto;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--text-primary);
}

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

.navbar__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0, 196, 209, 0.25);
}

.btn--primary:hover {
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 196, 209, 0.35);
}

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

.btn--outline:hover {
  border-color: var(--border-hover);
  color: var(--accent-cyan);
}

/* ── Hero ── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__glow::before,
.hero__glow::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
}

.hero__glow::before {
  width: 40rem;
  height: 40rem;
  background: var(--accent-cyan);
  top: -10rem;
  right: -10rem;
}

.hero__glow::after {
  width: 30rem;
  height: 30rem;
  background: var(--accent-blue);
  bottom: -5rem;
  left: -8rem;
}

.hero__content {
  position: relative;
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
}

.hero__logo {
  height: 4rem;
  width: auto;
  margin: 0 auto 2rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__tagline {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 32rem;
  margin-inline: auto;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Sections ── */

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  max-width: 36rem;
  margin-inline: auto;
}

/* ── Services ── */

.services {
  background: var(--bg-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}

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

.service-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: #fff;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* ── About ── */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: center;
}

.about__photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
}

.about__content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.about__role {
  color: var(--accent-cyan);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.about__highlight {
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius);
}

.about__highlight p {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
}

.about__content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ── Contact ── */

.contact {
  background: var(--bg-surface);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact__info h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.contact__detail strong {
  color: var(--text-primary);
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.contact__hours {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ── Form ── */

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.form-group textarea {
  resize: vertical;
  min-height: 8rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
}

.form-status--success {
  background: rgba(0, 196, 209, 0.12);
  border: 1px solid rgba(0, 196, 209, 0.3);
  color: var(--accent-cyan);
}

.form-status--error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* ── Footer ── */

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Mobile ── */

@media (max-width: 768px) {
  .navbar__toggle {
    display: block;
  }

  .navbar__links,
  .navbar__actions .btn--outline {
    display: none;
  }

  .navbar__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(8, 12, 16, 0.97);
    backdrop-filter: blur(12px);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .about__photo {
    max-width: 16rem;
    margin-inline: auto;
  }
}