/* ══════════════════════════════════════════════
   RoboticWings — style.css
   Colour palette: white · sky blue · light grey
   ══════════════════════════════════════════════ */

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:       #3b9edd;
  --blue-light: #5ab4f5;
  --blue-pale:  #e6f4ff;
  --sky:        #f0f8ff;
  --white:      #ffffff;
  --grey-100:   #f4f7fb;
  --grey-200:   #e2eaf3;
  --grey-400:   #9aaccb;
  --grey-700:   #4a5f7a;
  --dark:       #1a2535;
  --font-body:  'Inter', system-ui, sans-serif;
  --font-head:  'Orbitron', 'Inter', sans-serif;
  --radius:     14px;
  --shadow:     0 8px 32px rgba(59,158,221,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.65;
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }

/* ── Utility ── */
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

.section {
  padding-block: clamp(60px, 8vw, 110px);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--dark);
  margin-block: 10px 14px;
  letter-spacing: -0.02em;
}

.section-header p {
  max-width: 600px;
  margin-inline: auto;
  color: var(--grey-700);
  font-size: 1.05rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(59,158,221,0.35);
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59,158,221,0.45);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 50px;
  border: 2px solid var(--blue-light);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: var(--blue-pale);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; font-size: 1.05rem; }

/* ══════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 14px 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(59,158,221,0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, 92vw);
  margin-inline: auto;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}
/* Logo image — transparent SVG mark */
.logo-mark {
  display: block;
  height: 38px;
  width: auto;
}
/* Footer version: invert to white on dark bg */
.logo-mark--footer {
  filter: brightness(0) invert(1);
}
.logo-wordmark {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--dark);
  letter-spacing: -0.01em;
}
.logo-wordmark strong { color: var(--blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--grey-700);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--blue); }
.btn-nav {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: 50px;
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  box-shadow: 0 3px 12px rgba(59,158,221,0.3);
  transition: var(--transition) !important;
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(59,158,221,0.4) !important; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ══════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--sky) 0%, var(--white) 55%, var(--blue-pale) 100%);
  padding-top: 90px;
}

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


.hero-content {
  position: relative;
  z-index: 2;
  width: min(1200px, 92vw);
  margin-inline: auto;
  padding-block: 60px;
}



/* ── Hero entrance animations ── */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes hero-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes hero-slide-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--dark);
  margin-bottom: 20px;
  max-width: 680px;
  animation: hero-fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 0.1s both;
}
.hero-sub {
  animation: hero-fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 0.28s both;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--grey-700);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-cta {
  animation: hero-fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 0.44s both;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
  margin-bottom: 48px;
}
.hero-link {
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
}
.hero-link--primary {
  color: var(--blue);
  border-bottom: 2px solid var(--blue);
  padding-bottom: 2px;
}
.hero-link--primary:hover {
  color: var(--dark);
  border-bottom-color: var(--dark);
}
.hero-link--secondary {
  color: var(--grey-700);
  border-bottom: 2px solid transparent;
}
.hero-link--secondary:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.hero-stats {
  animation: hero-fade-up 0.8s cubic-bezier(0.22,1,0.36,1) 0.58s both;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-drone {
  animation: hero-slide-right 1s cubic-bezier(0.22,1,0.36,1) 0.3s both;
}

/* ── Scroll-reveal base ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Stagger variants for sibling groups */
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal-left.visible {
  opacity: 1;
  transform: none;
}
.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal-right.visible {
  opacity: 1;
  transform: none;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, #38d9f5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat strong {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--blue);
  line-height: 1;
}
.stat span {
  font-size: 0.78rem;
  color: var(--grey-700);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--grey-200);
}

/* Drone illustration */
.hero-drone {
  position: absolute;
  right: clamp(20px, 8vw, 120px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}
.drone-wrap {
  position: relative;
  animation: float 4s ease-in-out infinite;
}
.drone-svg {
  width: clamp(180px, 28vw, 340px);
  filter: drop-shadow(0 12px 32px rgba(59,158,221,0.25));
}
.drone-shadow {
  width: 60%;
  height: 16px;
  background: radial-gradient(ellipse, rgba(59,158,221,0.18) 0%, transparent 70%);
  margin: 8px auto 0;
  border-radius: 50%;
  animation: shadow-pulse 4s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-18px); }
}
@keyframes shadow-pulse {
  0%,100% { transform: scaleX(1);   opacity: 0.8; }
  50%      { transform: scaleX(0.7); opacity: 0.4; }
}

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--grey-400);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fade-in-up 1.5s 1s both;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--grey-400), transparent);
  animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%,100% { transform: scaleY(1); }
  50%      { transform: scaleY(0.6); }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ══════════════════════════════════════════════
   SERVICES / SECTORS
   ══════════════════════════════════════════════ */
.services { background: var(--grey-100); }

.sectors-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.sector-card {
  flex: 0 1 280px;
}

.sector-card {
  flex: 0 1 280px;
  background: var(--white);
  border-radius: 16px;
  padding: 24px 20px 20px;
  border: 1px solid var(--grey-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(24px);
}
.sector-card.visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
/* Persistent thin top accent bar */
.sector-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
/* Subtle left-side glow on hover */
.sector-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(59,158,221,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.sector-card:hover {
  box-shadow: 0 8px 32px rgba(59,158,221,0.13), 0 2px 8px rgba(0,0,0,0.06);
  border-color: rgba(90,180,245,0.4);
  transform: translateY(-3px);
}
.sector-card:hover::before { transform: scaleX(1); }
.sector-card:hover::after  { opacity: 1; }

.sector-icon-wrap {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--blue-pale) 0%, #d6eeff 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  line-height: 1;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(59,158,221,0.15);
}

.sector-card h3 {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.01em;
  margin-top: 4px;
}
.sector-card p {
  font-size: 0.83rem;
  color: var(--grey-700);
  line-height: 1.6;
  flex: 1;
}

.sector-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  margin-top: 8px;
  line-height: 1.8;
}
.sector-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--grey-400);
  white-space: nowrap;
}
.sector-tag:not(:last-child)::after {
  content: ' · ';
  color: var(--grey-200);
  padding: 0 4px;
}

/* ══════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════ */
.about { background: var(--white); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.about-visual {
  display: flex;
  justify-content: center;
}
.about-badge-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.about-circle {
  width: 200px;
  height: 200px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spin-slow 20s linear infinite;
}
.about-circle svg { width: 160px; }
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.about-pills {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.pill {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue);
}

.about-text .section-tag { margin-bottom: 12px; }
.about-text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.about-text p {
  color: var(--grey-700);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.75;
}

.about-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--dark);
  font-weight: 500;
}
.check {
  color: var(--blue);
  font-size: 0.85rem;
}

/* ══════════════════════════════════════════════
   GALLERY
   ══════════════════════════════════════════════ */
.gallery-section { background: var(--grey-100); }

/* Filter tabs */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.gf-btn {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 50px;
  border: 1.5px solid var(--grey-200);
  background: var(--white);
  color: var(--grey-700);
  cursor: pointer;
  transition: var(--transition);
}
.gf-btn:hover  { border-color: var(--blue-light); color: var(--blue); }
.gf-btn.active { background: var(--blue); border-color: var(--blue); color: var(--white); }

/* Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--grey-200);
  border: 1.5px solid var(--grey-200);
  transition: var(--transition);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:hover { box-shadow: var(--shadow); }

/* Overlay on hover — zoom button only */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,37,53,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* Always-visible label bar at bottom */
.gallery-label-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(26,37,53,0.85) 0%, transparent 100%);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 22px 14px 12px;
  pointer-events: none;
}

.gallery-zoom {
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.5);
  color: var(--white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
  line-height: 1;
}
.gallery-zoom:hover { background: var(--blue); border-color: var(--blue); }

/* Placeholder state (when image file missing) */
.gallery-item.placeholder {
  background: linear-gradient(135deg, var(--blue-pale), var(--grey-200));
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item.placeholder::before {
  content: '📷';
  font-size: 2.2rem;
  opacity: 0.3;
}
.gallery-item.placeholder img { display: none; }

/* Hidden by filter */
.gallery-item.hidden {
  display: none;
}

/* Upload note */
.gallery-upload-note {
  text-align: center;
  margin-top: 28px;
  font-size: 0.82rem;
  color: var(--grey-400);
}
.gallery-upload-note code {
  background: var(--grey-200);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--dark);
}

/* Play button for video items */
.play-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(59,158,221,0.9);
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 4px; /* optical centre for triangle */
  pointer-events: none;
  backdrop-filter: blur(4px);
}
.gallery-item--video .gallery-overlay { opacity: 1; background: rgba(26,37,53,0.2); }
.gallery-item--video:hover .gallery-overlay { background: rgba(26,37,53,0.45); }

/* Lightbox video element */
#lbVideo {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  background: #000;
}
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10,16,26,0.96);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
}
.lightbox.open { display: flex; }

.lb-img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lb-img-wrap img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lb-caption {
  margin-top: 14px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.lb-close, .lb-prev, .lb-next {
  position: fixed;
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.2);
  color: var(--white);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: var(--blue); border-color: var(--blue); }

.lb-close {
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  font-size: 1.1rem;
}
.lb-prev, .lb-next {
  top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px;
  font-size: 1.8rem;
  line-height: 1;
}
.lb-prev { left: 16px; }
.lb-next { right: 16px; }

/* ══════════════════════════════════════════════
   INQUIRY FORM
   ══════════════════════════════════════════════ */
.inquiry-section { background: var(--white); padding-block: clamp(36px, 5vw, 60px); }

/* ── Side-by-side inquiry + sectors row ── */
.sections-row {
  display: grid;
  grid-template-columns: 3fr 2fr;
  align-items: stretch;
}
.sections-row > section {
  min-width: 0;
  display: flex;
  flex-direction: column;
  /* Force identical top padding so section-tags align */
  padding-block-start: clamp(36px, 5vw, 60px) !important;
}
/* Drop the inquiry section header down to align with sectors heading */
.sections-row .inquiry-section .section-header {
  padding-top: 12px;
}
.sections-row .container {
  width: 100%;
  max-width: none;
  padding-inline: clamp(20px, 3vw, 48px);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sections-row .section-header {
  margin-bottom: 24px;
}
.sections-row .inquiry-form {
  max-width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sections-row .inquiry-form--simple {
  flex: 1;
  align-items: stretch;
}
.sections-row .form-col {
  flex: 1;
}
.sections-row .form-col--right {
  flex: 1;
}
.sections-row .sectors-grid {
  gap: 12px;
}
.sections-row .sector-card {
  flex: 0 1 190px;
  padding: 16px 14px 14px;
}
@media (max-width: 900px) {
  .sections-row { grid-template-columns: 1fr; }
}

.inquiry-form {
  max-width: 960px;
  margin-inline: auto;
  background: var(--grey-100);
  border-radius: 16px;
  padding: 24px;
  border: 1.5px solid var(--grey-200);
  box-shadow: 0 4px 30px rgba(59,158,221,0.08);
}
.inquiry-form--simple {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.form-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-col--right {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}
.sections-row .form-col--right .form-group:first-child {
  flex: 1;
}
@media (max-width: 680px) {
  .inquiry-form--simple { grid-template-columns: 1fr; }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 0;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--dark);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--dark);
  background: var(--white);
  border: 1.5px solid var(--grey-200);
  border-radius: 8px;
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--grey-400); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,158,221,0.12);
}
.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: #e05c5c;
}

.form-error {
  font-size: 0.8rem;
  color: #e05c5c;
  font-weight: 500;
  min-height: 16px;
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--grey-700);
  line-height: 1.5;
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkmark {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--blue-light);
  border-radius: 5px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  margin-top: 1px;
}
.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--blue);
  border-color: var(--blue);
}
.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: 13px;
  font-weight: 700;
}

/* Form section labels */
.form-section-label {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-pale);
  padding: 7px 14px;
  border-radius: 6px;
  margin-bottom: 18px;
  margin-top: 8px;
  display: block;
  border-left: 3px solid var(--blue);
}

.form-hint {
  font-size: 0.82rem;
  color: var(--grey-700);
  background: var(--grey-100);
  border: 1px solid var(--grey-200);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 18px;
  line-height: 1.55;
}

.field-hint {
  font-size: 0.77rem;
  color: var(--grey-400);
  margin-top: 2px;
}
.field-hint a {
  color: var(--blue);
  text-decoration: underline;
}

.optional {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--grey-400);
  font-family: var(--font-body);
}

/* Checkbox grid for hazards */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px 16px;
  margin-top: 4px;
}

.form-success {
  display: none;
  text-align: center;
  background: #e6faf3;
  color: #1a7a4a;
  border: 1.5px solid #7dd3ab;
  border-radius: 10px;
  padding: 16px;
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 16px;
}
.form-success.visible { display: block; }

/* ══════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════ */
.contact-section { background: var(--blue-pale); }

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
  margin-top: 10px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 22px;
  border: 1.5px solid var(--grey-200);
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(59,158,221,0.06);
  cursor: pointer;
}
.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
}
.contact-icon { font-size: 1.8rem; line-height: 1; flex-shrink: 0; }
.contact-card div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0; /* allows text to shrink inside flex */
}
.contact-card strong {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey-700);
  white-space: nowrap;
}
.contact-card span {
  font-size: 0.88rem;
  color: var(--dark);
  font-weight: 500;
  overflow-wrap: break-word;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
.footer {
  background: var(--dark);
  color: var(--grey-200);
  padding-block: 48px 32px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-wordmark {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: -0.01em;
}
.footer-wordmark strong { color: var(--blue-light); }
.footer-logo p {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--grey-400);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 32px;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--grey-400);
  font-weight: 500;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--blue-light); }

.footer-legal p {
  font-size: 0.78rem;
  color: var(--grey-400);
  line-height: 1.8;
  letter-spacing: 0.02em;
}

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-drone { display: none; }

  .about-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-list li { justify-content: center; }

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

@media (max-width: 680px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    font-size: 1.2rem;
  }
  .nav-links.open { display: flex; }
  .burger { display: flex; z-index: 1001; }

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

  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item { aspect-ratio: 16/9; }
}

/* ── Scroll reveal base ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}