/* =============================================
   LUVO — Lowery Unmanned Vehicle Operations
   ============================================= */

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

:root {
  --navy:    #050d1a;
  --navy-2:  #071326;
  --navy-3:  #0d1f3c;
  --aqua:    #00C9B1;
  --aqua-dim: rgba(0,201,177,0.12);
  --aqua-mid: rgba(0,201,177,0.35);
  --white:   #ffffff;
  --muted:   #7a8fa8;
  --text:    #c8d8ec;
  --border:  rgba(0,201,177,0.18);

  --font-head: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;

  --nav-h: 72px;
  --radius: 6px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.hidden { display: none !important; }
[hidden] { display: none !important; }

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  background: var(--aqua);
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2.2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: #00e5ca;
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(0,201,177,0.4);
}
.btn-primary:active { transform: translateY(0); }

/* ─────────────────────────────────────────────
   NAV
───────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.3s, border-bottom 0.3s, backdrop-filter 0.3s;
}

#nav.scrolled {
  background: rgba(5,13,26,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img {
  height: 46px;
  width: auto;
  mix-blend-mode: screen;
  filter: brightness(1.1);
}
.nav-wordmark {
  font-family: var(--font-head);
  font-size: 1.7rem;
  letter-spacing: 0.08em;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--aqua); }
.nav-cta {
  background: transparent !important;
  border: 1.5px solid var(--aqua) !important;
  color: var(--aqua) !important;
  padding: 0.5rem 1.4rem !important;
  border-radius: var(--radius) !important;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover {
  background: var(--aqua) !important;
  color: var(--navy) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 60px) 0 80px;
}

/* Subtle scanline overlay */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,201,177,0.015) 3px,
    rgba(0,201,177,0.015) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* Gradient bottom fade */
#hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 180px;
  background: linear-gradient(to bottom, transparent, var(--navy));
  pointer-events: none;
  z-index: 2;
}

/* RADAR */
.radar-wrap {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-52%);
  width: clamp(380px, 55vw, 680px);
  aspect-ratio: 1;
  z-index: 0;
  opacity: 0.45;
}

.radar-svg {
  width: 100%;
  height: 100%;
}

.radar-ring {
  fill: none;
  stroke: var(--aqua);
  stroke-width: 0.8;
  opacity: 0.3;
}

.radar-cross {
  stroke: var(--aqua);
  stroke-width: 0.6;
  opacity: 0.2;
}
.radar-cross--diag { opacity: 0.1; }

/* Sweep arm */
.radar-sweep-group {
  transform-origin: 300px 300px;
  animation: radarSpin 4s linear infinite;
}

.radar-arm {
  stroke: var(--aqua);
  stroke-width: 1.5;
  opacity: 0.9;
}

/* Conic sweep trail rendered via JS */
@keyframes radarSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.radar-blip {
  fill: var(--aqua);
  opacity: 0;
  animation: blipPulse 3s ease-in-out infinite;
}
@keyframes blipPulse {
  0%, 100% { opacity: 0; r: 4; }
  30%, 70%  { opacity: 1; r: 3; }
  50%       { opacity: 0.6; }
}

/* HERO CONTENT */
.hero-content {
  position: relative;
  z-index: 3;
  width: min(640px, 92vw);
  margin-left: max(4vw, calc((100vw - 1180px)/2));
}

.hero-overline {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 1.4rem;
}

.hero-tagline {
  font-family: var(--font-head);
  font-size: clamp(4.2rem, 10vw, 8rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 1.6rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 2.4rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1.5rem;
}

.stat {
  display: flex;
  align-items: center;
  gap: 10px;
}
.stat-icon {
  font-size: 1.1rem;
  color: var(--aqua);
  width: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
}
.hero-scroll-hint span {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.scroll-dot {
  animation: scrollBounce 1.5s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ─────────────────────────────────────────────
   SECTION SHARED
───────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 5vw, 4rem);
  color: var(--white);
  letter-spacing: 0.03em;
  line-height: 1.05;
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─────────────────────────────────────────────
   SERVICES
───────────────────────────────────────────── */
#services {
  padding: 120px 0;
  background: var(--navy-2);
  position: relative;
}
#services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--aqua-mid), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.service-card {
  background: var(--navy-2);
  padding: 2.8rem 2.2rem;
  position: relative;
  transition: background var(--transition);
  cursor: default;
}
.service-card:hover {
  background: var(--navy-3);
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--aqua);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}
.service-card:hover::after { transform: scaleX(1); }

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.6rem;
}
.service-icon svg { width: 100%; height: 100%; }

.service-name {
  font-family: var(--font-head);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.9rem;
  line-height: 1.1;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ─────────────────────────────────────────────
   WHY LUVO
───────────────────────────────────────────── */
#why {
  padding: 120px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.why-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

#why .container { position: relative; z-index: 1; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.why-card {
  background: rgba(5,13,26,0.9);
  padding: 3rem 3rem 3rem 2.5rem;
  position: relative;
  transition: background var(--transition);
}
.why-card:hover { background: rgba(13,31,60,0.9); }

.why-number {
  font-family: var(--font-head);
  font-size: 4.5rem;
  color: var(--aqua);
  opacity: 0.12;
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  letter-spacing: 0.02em;
  pointer-events: none;
  user-select: none;
}

.why-title {
  font-family: var(--font-head);
  font-size: 1.7rem;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.1;
}
.why-title::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--aqua);
  margin-bottom: 1rem;
}

.why-body {
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ─────────────────────────────────────────────
   CONTACT
───────────────────────────────────────────── */
#contact {
  padding: 120px 0;
  background: var(--navy-2);
  position: relative;
}
#contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--aqua-mid), transparent);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6rem;
  align-items: start;
}

.contact-left .section-title { text-align: left; }
.contact-left .section-label { display: block; }

.contact-body {
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.75;
  margin: 1.5rem 0 2.5rem;
}

.contact-detail {
  margin-bottom: 1rem;
}
.contact-detail-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 3px;
}
.contact-detail-value {
  font-size: 0.95rem;
  color: var(--text);
}
a.contact-detail-value:hover { color: var(--aqua); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.4rem; }

.form-row { display: flex; gap: 1.2rem; }
.form-row--half > * { flex: 1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}
.form-group label span { color: var(--aqua); }

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--navy);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(122,143,168,0.5); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--aqua);
  box-shadow: 0 0 0 3px rgba(0,201,177,0.12);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.select-wrap { position: relative; }
.select-wrap select { cursor: pointer; }
.select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--muted);
  pointer-events: none;
}

.btn-submit { width: 100%; margin-top: 0.4rem; padding: 1rem; font-size: 0.9rem; }

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--aqua-dim);
  border: 1px solid var(--aqua-mid);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  color: var(--aqua);
  font-size: 0.9rem;
  font-weight: 500;
}
.form-success svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ─────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────── */
#footer {
  background: var(--navy);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.footer-logo img {
  height: 64px;
  width: auto;
}

.footer-meta {
  flex: 1;
}
.footer-tagline {
  font-family: var(--font-head);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--white);
}
.footer-location {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--aqua); }

.footer-bottom {
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(122,143,168,0.5);
  letter-spacing: 0.04em;
}

/* ─────────────────────────────────────────────
   ANIMATIONS / REVEAL
───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 960px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 720px) {
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }
  .stat-divider { display: none; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(5,13,26,0.97);
    backdrop-filter: blur(14px);
    padding: 2rem 6vw;
    gap: 1.8rem;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-toggle { display: flex; }
  .nav-cta { width: fit-content; }

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

  .form-row--half { flex-direction: column; }

  .hero-content { margin-left: 4vw; }
  .radar-wrap { opacity: 0.2; right: -30%; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { text-align: left; }
}