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

:root {
  --dark:    #232222;
  --dark2:   #1c1b1b;
  --dark3:   #2a2929;
  --accent:  #f28713;
  --accent2: #d4700a;
  --text:    #e8edf2;
  --muted:   #8a9baa;
  --card-bg: #2e2d2d;
  --border:  #3d3c3c;
  --radius:  10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 2rem;
  background: rgba(35, 34, 34, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  height: 56px;
  width: auto;
  display: block;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO */
.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2rem;
  padding: 4rem 4rem 4rem 5rem;
  background: radial-gradient(ellipse at 70% 50%, #2e2d2d 0%, #232222 70%);
  overflow: hidden;
}

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

.hero-logo {
  width: min(360px, 90%);
  height: auto;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 2px 16px rgba(242,135,19,0.3));
}

.hero-content h1 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--muted);
  max-width: 420px;
  margin-bottom: 2rem;
}

.hero-bg {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-drone-img {
  width: 100%;
  max-width: 560px;
  height: auto;
  mix-blend-mode: screen;
  filter: drop-shadow(0 8px 40px rgba(242,135,19,0.2));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 3rem 1.5rem;
    text-align: center;
    min-height: auto;
  }
  .hero-content { align-items: center; }
  .hero-bg { order: -1; }
  .hero-drone-img { max-width: 320px; }
}

.btn {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.15s;
}

.btn:hover { background: var(--accent2); transform: translateY(-2px); }

/* SECTIONS */
.section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section.alt {
  max-width: 100%;
  background: var(--dark2);
  padding: 5rem 2rem;
}

.section.alt > * { max-width: 1100px; margin: 0 auto; }

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.5rem;
  color: var(--text);
}

.section-sub {
  color: var(--muted);
  margin-bottom: 2.5rem;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover { border-color: var(--accent); transform: translateY(-4px); }

.card-icon { font-size: 2rem; margin-bottom: 0.75rem; }

.card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--accent); }

.card p { color: var(--muted); font-size: 0.95rem; }

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-grid h2 { margin-bottom: 1rem; }

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

.highlights { list-style: none; margin-top: 1rem; }

.highlights li { padding: 0.4rem 0; color: var(--text); font-size: 0.95rem; }

.about-visual {
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
}

.tagline {
  font-style: italic;
  color: var(--accent);
  font-size: 1.05rem;
}

/* CONTACT FORM */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 680px;
  margin-top: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

.contact-form select option { background: var(--dark2); }

.form-success {
  display: none;
  color: #4caf7d;
  font-size: 0.95rem;
}

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

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

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
  }

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

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

  .form-row { grid-template-columns: 1fr; }
}