/* ==========================================================
   RJ Drones — Core Stylesheet
   Theme: White & Blue · Sharp / Angular · Drone-forward
   ========================================================== */

:root {
  --white:        #ffffff;
  --off-white:    #f4f7ff;
  --blue-50:      #e8f1ff;
  --blue-100:     #c5d9f9;
  --blue-400:     #3b82f6;
  --blue-500:     #1d6fe8;
  --blue-600:     #0052cc;
  --blue-700:     #003d99;
  --blue-900:     #061c3d;
  --navy:         #040f22;

  --text-dark:    #040f22;
  --text-mid:     #2a3c5a;
  --text-muted:   #4a5e80;
  --text-light:   #7a8fad;

  --border:       rgba(0, 82, 204, 0.15);
  --border-mid:   rgba(0, 82, 204, 0.28);
  --border-dark:  rgba(4, 15, 34, 0.2);

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --max-w:  1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --ease:   cubic-bezier(0.22, 1, 0.36, 1);

  /* Sharp corners everywhere — no pill shapes */
  --r:  0px;
  --r2: 0px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-mid);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; transition: color 0.18s; }
a:hover { color: var(--blue-400); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.8rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
p  { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

/* ======================================================
   Eyebrow label
   ====================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 1rem;
  font-weight: 500;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--blue-500);
  flex-shrink: 0;
}

/* ======================================================
   Drone decorative SVGs (propellers / crosshair elements)
   ====================================================== */
.drone-deco {
  position: absolute;
  pointer-events: none;
  opacity: 0.07;
  z-index: 0;
}

/* Corner propeller graphic reused as CSS background patterns */
.prop-pattern {
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%230052cc' stroke-width='1'%3E%3Ccircle cx='40' cy='40' r='6'/%3E%3Cpath d='M40 40 L40 10 Q46 16 40 22Z'/%3E%3Cpath d='M40 40 L70 40 Q64 46 58 40Z'/%3E%3Cpath d='M40 40 L40 70 Q34 64 40 58Z'/%3E%3Cpath d='M40 40 L10 40 Q16 34 22 40Z'/%3E%3Cline x1='40' y1='0' x2='40' y2='80' stroke-dasharray='2,12'/%3E%3Cline x1='0' y1='40' x2='80' y2='40' stroke-dasharray='2,12'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 80px 80px;
}

/* ======================================================
   Navigation
   ====================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  border-bottom: 2px solid transparent;
  transition: all 0.3s var(--ease);
}

.nav.scrolled {
  background: var(--white);
  border-bottom: 2px solid var(--blue-600);
  box-shadow: 0 2px 20px rgba(0, 82, 204, 0.1);
}

.nav-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 68px;
  gap: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  background: var(--navy);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-text {
  padding: 0 20px 0 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.1;
}

.brand-text strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-dark);
}

.brand-text small {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

nav { display: flex; align-items: center; flex: 1; }

.nav-links {
  display: flex;
  list-style: none;
  margin: 0; padding: 0;
  height: 100%;
  gap: 0;
}

.nav-links li { display: flex; }

.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 20px;
  color: var(--text-mid);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}

.nav-links a.active {
  color: var(--blue-600);
  border-bottom-color: var(--blue-600);
  font-weight: 600;
}

.nav-cta {
  display: flex;
  align-items: center;
  padding-left: 16px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--blue-600);
  color: var(--blue-600);
  width: 42px; height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 0;
    height: auto;
    border-bottom: 2px solid var(--blue-600);
    transform: translateY(-120%);
    transition: transform 0.3s var(--ease);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 18px var(--gutter); border-bottom: 1px solid var(--border); }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn { display: none; }
}

/* ======================================================
   Buttons — sharp/angular
   ====================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  border-color: var(--blue-600);
}
.btn-primary:hover {
  background: var(--blue-700);
  border-color: var(--blue-700);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 4px 6px 0 var(--blue-900);
}

.btn-ghost {
  background: transparent;
  color: var(--blue-600);
  border: 2px solid var(--blue-600);
  clip-path: none;
}
.btn-ghost:hover {
  background: var(--blue-600);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--blue-600);
  border-color: var(--white);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}
.btn-white:hover {
  background: var(--blue-50);
  color: var(--blue-700);
}

.btn-arrow { transition: transform 0.2s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ======================================================
   HERO — angular, blue, drone motifs
   ====================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 110px 0 60px;
  background: var(--navy);
  overflow: hidden;
}

/* Propeller pattern overlay */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%231d6fe8' stroke-width='0.8' opacity='0.18'%3E%3Ccircle cx='60' cy='60' r='8'/%3E%3Ccircle cx='60' cy='60' r='20'/%3E%3Cpath d='M60 60 L60 16 Q68 28 60 40Z'/%3E%3Cpath d='M60 60 L104 60 Q92 68 80 60Z'/%3E%3Cpath d='M60 60 L60 104 Q52 92 60 80Z'/%3E%3Cpath d='M60 60 L16 60 Q28 52 40 60Z'/%3E%3Cline x1='60' y1='0' x2='60' y2='120' stroke-dasharray='3,18'/%3E%3Cline x1='0' y1='60' x2='120' y2='60' stroke-dasharray='3,18'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 120px 120px;
  pointer-events: none;
}

/* Diagonal blue stripe */
.hero::after {
  content: "";
  position: absolute;
  right: -60px; top: 0; bottom: 0;
  width: 52%;
  background: linear-gradient(160deg, var(--blue-600) 0%, var(--blue-700) 100%);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  z-index: 1;
  position: relative;
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero::after { display: none; }
  .hero-image-col { display: none; }
}

.hero-content {}

.hero h1 {
  color: var(--white);
  margin-bottom: 0.5em;
}

.hero h1 .accent {
  color: var(--blue-400);
}

.hero-lede {
  color: rgba(255,255,255,0.75);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 0;
}

.stat {
  padding: 24px 0;
  border-right: 1px solid rgba(255,255,255,0.1);
  padding-right: 20px;
  margin-right: 20px;
}
.stat:last-child { border-right: none; }

.stat .num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}

.stat .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.45);
}

/* Hero image column */
.hero-image-col {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.hero-img-wrap img {
  width: 100%;
  display: block;
  filter: brightness(1.05) contrast(1.05);
}

/* Corner bracket decorations on hero image */
.hero-img-wrap::before,
.hero-img-wrap::after {
  content: "";
  position: absolute;
  width: 40px; height: 40px;
  border-color: var(--white);
  border-style: solid;
  z-index: 2;
}
.hero-img-wrap::before {
  top: -8px; left: -8px;
  border-width: 3px 0 0 3px;
}
.hero-img-wrap::after {
  bottom: -8px; right: -8px;
  border-width: 0 3px 3px 0;
}

/* Crosshair target on image */
.img-target {
  position: absolute;
  bottom: 20px;
  right: -20px;
  width: 56px; height: 56px;
  z-index: 2;
  color: var(--white);
}

/* ======================================================
   Trust bar
   ====================================================== */
.trust {
  background: var(--blue-600);
  padding: 0;
  border-bottom: 3px solid var(--blue-700);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

@media (max-width: 720px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.9);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 18px 24px;
  border-right: 1px solid rgba(255,255,255,0.15);
  font-weight: 500;
}
.trust-item:last-child { border-right: none; }
.trust-item svg { color: var(--white); flex-shrink: 0; opacity: 0.9; }

/* ======================================================
   Sections
   ====================================================== */
section {
  padding: clamp(64px, 9vw, 120px) 0;
  position: relative;
}

.section-head {
  max-width: 700px;
  margin-bottom: 56px;
}
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* ======================================================
   Diagonal section dividers
   ====================================================== */
.section-blue {
  background: var(--blue-900);
  color: var(--white);
}
.section-blue h1, .section-blue h2, .section-blue h3,
.section-blue h4 { color: var(--white); }
.section-blue .section-head p { color: rgba(255,255,255,0.6); }
.section-blue .eyebrow { color: var(--blue-400); }
.section-blue .eyebrow::before { background: var(--blue-400); }

.section-light {
  background: var(--blue-50);
}

/* ======================================================
   Service cards — angular, no radius
   ====================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  background: var(--border);
}

.service-card {
  position: relative;
  padding: 32px;
  background: var(--white);
  transition: all 0.2s var(--ease);
  overflow: hidden;
  cursor: pointer;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--blue-600);
  transition: height 0.3s var(--ease);
}

.service-card:hover {
  background: var(--blue-50);
}
.service-card:hover::before { height: 100%; }

.service-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  background: var(--blue-600);
  color: var(--white);
  margin-bottom: 20px;
  clip-path: polygon(0 0, 85% 0, 100% 15%, 100% 100%, 15% 100%, 0 85%);
}

.service-card h3 { margin-bottom: 8px; color: var(--text-dark); }
.service-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 16px; }

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  font-weight: 600;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: var(--blue-50);
  padding: 4px 10px;
  border-left: 2px solid var(--blue-500);
  margin-bottom: 16px;
  display: inline-block;
}

/* ======================================================
   Numbered process grid
   ====================================================== */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
  border: 2px solid var(--border-mid);
}

@media (max-width: 880px) {
  .process { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .process { grid-template-columns: 1fr; }
}

.process-step {
  padding: 36px 28px;
  border-right: 1px solid var(--border-mid);
  border-bottom: 1px solid var(--border-mid);
  position: relative;
  background: var(--white);
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-100);
  line-height: 1;
  margin-bottom: 16px;
}

.process-step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.process-step p { color: var(--text-muted); font-size: 0.92rem; margin: 0; }

/* ======================================================
   Split layout (about block)
   ====================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
  background: var(--border);
}
@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; }
}

.split-media {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  background: var(--blue-900);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.split-media .placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.split-content {
  padding: 60px;
  background: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  direction: ltr;
}

@media (max-width: 880px) {
  .split-content { padding: 40px var(--gutter); }
}

/* Reversed split: media on right, content on left */
.split.reverse { direction: rtl; }
.split.reverse .split-media,
.split.reverse .split-content { direction: ltr; }

/* ======================================================
   Portfolio gallery
   ====================================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3px;
  grid-auto-rows: 220px;
}

@media (max-width: 880px) {
  .gallery { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; }
}

.tile {
  position: relative;
  overflow: hidden;
  background: var(--blue-900);
  cursor: pointer;
  transition: transform 0.3s var(--ease);
}
.tile:hover { transform: scale(1.01); z-index: 2; }

.tile .placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: rgba(255,255,255,0.2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tile iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: none;
  pointer-events: none;
}

.tile-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 18px;
  background: linear-gradient(180deg, transparent, rgba(4,15,34,0.88));
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tile-meta span:last-child {
  color: var(--blue-400);
}

/* Crosshair corner on hover */
.tile::before, .tile::after {
  content: "";
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--blue-400);
  border-style: solid;
  opacity: 0;
  transition: opacity 0.25s;
  z-index: 3;
}
.tile::before { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.tile::after  { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; }
.tile:hover::before, .tile:hover::after { opacity: 1; }

.tile.span-2 { grid-column: span 6; }
.tile.span-3 { grid-column: span 4; }
.tile.span-4 { grid-column: span 3; }
.tile.tall   { grid-row: span 2; }

@media (max-width: 880px) {
  .tile.span-2, .tile.span-3, .tile.span-4 { grid-column: span 2; }
  .tile.tall { grid-row: span 1; }
}

/* ======================================================
   CTA banner — angular
   ====================================================== */
.cta-banner {
  position: relative;
  padding: 80px 60px;
  background: var(--blue-600);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='0.7' opacity='0.1'%3E%3Ccircle cx='60' cy='60' r='8'/%3E%3Ccircle cx='60' cy='60' r='22'/%3E%3Cpath d='M60 60 L60 16 Q68 28 60 40Z'/%3E%3Cpath d='M60 60 L104 60 Q92 68 80 60Z'/%3E%3Cpath d='M60 60 L60 104 Q52 92 60 80Z'/%3E%3Cpath d='M60 60 L16 60 Q28 52 40 60Z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 120px 120px;
  pointer-events: none;
}

.cta-banner > * { position: relative; z-index: 1; }
.cta-banner .eyebrow { color: rgba(255,255,255,0.7); }
.cta-banner .eyebrow::before { background: rgba(255,255,255,0.7); }
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.8); max-width: 560px; margin-bottom: 28px; }

.cta-banner.centered {
  text-align: center;
}
.cta-banner.centered p { margin-left: auto; margin-right: auto; }

/* ======================================================
   Contact form
   ====================================================== */
.form-wrap {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 0;
  background: var(--border);
}
@media (max-width: 880px) {
  .form-wrap { grid-template-columns: 1fr; }
}

.contact-info {
  background: var(--blue-900);
  padding: 60px 48px;
  color: rgba(255,255,255,0.8);
}

.contact-info h3 { color: var(--white); margin-bottom: 32px; }

.contact-info dl { display: grid; gap: 24px; margin: 0; }
.contact-info dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--blue-400);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact-info dd { color: rgba(255,255,255,0.85); font-size: 1rem; margin: 0; }
.contact-info dd a { color: rgba(255,255,255,0.85); }
.contact-info dd a:hover { color: var(--blue-400); }

form {
  background: var(--white);
  padding: 60px 48px;
}

@media (max-width: 880px) {
  .contact-info { padding: 40px var(--gutter); }
  form { padding: 40px var(--gutter); }
}

.field { margin-bottom: 20px; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--off-white);
  border: 2px solid var(--border-dark);
  color: var(--text-dark);
  font-family: var(--font-body);
  font-size: 0.98rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  border-radius: 0;
  outline: none;
  appearance: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-600);
  box-shadow: 4px 4px 0 var(--blue-100);
}

.field textarea { resize: vertical; min-height: 120px; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

/* ======================================================
   Credentials tags
   ====================================================== */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: var(--border-mid);
}

.cred-item {
  background: var(--white);
  padding: 28px 24px;
  border-left: 4px solid var(--blue-600);
}

.cred-item h4 { margin-bottom: 6px; font-size: 1rem; }
.cred-item p  { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* ======================================================
   Footer
   ====================================================== */
.footer {
  background: var(--navy);
  padding: 64px 0 0;
  border-top: 4px solid var(--blue-600);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.footer-brand .brand-mark {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  color: rgba(255,255,255,0.45);
  font-size: 0.9rem;
  max-width: 280px;
  margin-top: 16px;
}

.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 18px;
  font-weight: 500;
}

.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer ul a { color: rgba(255,255,255,0.65); font-size: 0.95rem; }
.footer ul a:hover { color: var(--blue-400); }

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* ======================================================
   Page hero (inner pages)
   ====================================================== */
.page-hero {
  padding: 160px 0 80px;
  position: relative;
  background: var(--navy);
  overflow: hidden;
  border-bottom: 4px solid var(--blue-600);
}

/* Propeller pattern */
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%231d6fe8' stroke-width='0.8' opacity='0.15'%3E%3Ccircle cx='60' cy='60' r='8'/%3E%3Ccircle cx='60' cy='60' r='22'/%3E%3Cpath d='M60 60 L60 16 Q68 28 60 40Z'/%3E%3Cpath d='M60 60 L104 60 Q92 68 80 60Z'/%3E%3Cpath d='M60 60 L60 104 Q52 92 60 80Z'/%3E%3Cpath d='M60 60 L16 60 Q28 52 40 60Z'/%3E%3Cline x1='60' y1='0' x2='60' y2='120' stroke-dasharray='3,18'/%3E%3Cline x1='0' y1='60' x2='120' y2='60' stroke-dasharray='3,18'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 120px 120px;
  pointer-events: none;
}

/* Blue diagonal accent */
.page-hero::after {
  content: "";
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 38%;
  background: var(--blue-600);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  opacity: 0.12;
}

.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); max-width: 800px; }
.page-hero p { max-width: 640px; color: rgba(255,255,255,0.65); font-size: 1.1rem; }
.page-hero .eyebrow { color: var(--blue-400); }
.page-hero .eyebrow::before { background: var(--blue-400); }

/* ======================================================
   Inline drone SVG components
   ====================================================== */
.propeller-icon {
  display: inline-block;
  width: 48px; height: 48px;
}

/* ======================================================
   Scroll reveal
   ====================================================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ======================================================
   Utility
   ====================================================== */
.text-blue { color: var(--blue-600); }
.text-white { color: var(--white); }

/* Angled bottom edge on blue sections */
.angle-bottom {
  padding-bottom: calc(clamp(64px, 9vw, 120px) + 60px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 60px), 0 100%);
}

.angle-top {
  padding-top: calc(clamp(64px, 9vw, 120px) + 60px);
  clip-path: polygon(0 60px, 100% 0, 100% 100%, 0 100%);
  margin-top: -60px;
}

/* ======================================================
   Pricing guide
   ====================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  background: var(--border-mid);
  margin-bottom: 32px;
}

.pricing-card {
  background: var(--white);
  padding: 32px;
  position: relative;
  transition: background 0.2s var(--ease);
  overflow: hidden;
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--blue-600);
  transition: height 0.3s var(--ease);
}

.pricing-card:hover { background: var(--blue-50); }
.pricing-card:hover::before { height: 100%; }

.pricing-card h3 {
  margin-bottom: 16px;
  color: var(--text-dark);
}

.pricing-range {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.pricing-from {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 700;
  color: var(--blue-600);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-includes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.pricing-includes li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.45;
}

.pricing-includes li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--blue-400);
  font-size: 0.8rem;
}

.pricing-includes strong {
  color: var(--text-dark);
  font-weight: 600;
}

.pricing-card--custom {
  background: var(--blue-900);
}

.pricing-card--custom::before { background: var(--blue-400); }
.pricing-card--custom:hover { background: var(--blue-700); }

.pricing-card--custom h3 { color: var(--white); }
.pricing-card--custom .pricing-from { color: var(--blue-400); font-size: 0.88rem; }
.pricing-card--custom .pricing-includes li { color: rgba(255,255,255,0.65); }
.pricing-card--custom .pricing-includes li::before { color: var(--blue-400); }
.pricing-card--custom .service-tag {
  color: var(--blue-400);
  background: rgba(255,255,255,0.06);
  border-left-color: var(--blue-400);
}

.pricing-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-light);
  border-left: 3px solid var(--border-mid);
  padding-left: 16px;
  margin: 0;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ======================================================
   MOBILE OPTIMISATIONS
   ====================================================== */

/* Dynamic viewport height — avoids address-bar jump on mobile */
@supports (min-height: 100svh) {
  .hero { min-height: 100svh; }
}

/* Suppress tap flash on interactive elements */
a, button, [role="button"] { -webkit-tap-highlight-color: transparent; }

/* ── Navigation ─────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { z-index: 99; }
  .nav-toggle { width: 44px; height: 44px; }
}

@media (max-width: 400px) {
  .brand-mark { width: 48px; height: 48px; }
  .brand-text small { display: none; }
}

/* ── Hero ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero { padding-top: 90px; padding-bottom: 48px; }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    justify-content: center;
    clip-path: none;
    text-align: center;
  }

  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stats .stat:nth-child(2) { border-right: none; }
  .hero-stats .stat:nth-child(3),
  .hero-stats .stat:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,0.1);
  }
}

/* ── Trust bar ──────────────────────────────────────── */
@media (max-width: 720px) {
  .trust-item:nth-child(2n) { border-right: none; }
}
@media (max-width: 480px) {
  .trust-item { padding: 14px; gap: 8px; font-size: 0.66rem; }
}

/* ── Page hero (inner pages) ────────────────────────── */
@media (max-width: 600px) {
  .page-hero { padding: 110px 0 48px; }
}

/* ── Split layout ───────────────────────────────────── */
@media (max-width: 880px) {
  .split-media { min-height: 320px; }
}
@media (max-width: 600px) {
  .split-media { min-height: 240px; }
}

/* ── CTA banner ─────────────────────────────────────── */
@media (max-width: 720px) {
  .cta-banner { clip-path: none; padding: 48px 32px; }
}
@media (max-width: 480px) {
  .cta-banner { padding: 40px 20px; }
}

/* ── Portfolio gallery ──────────────────────────────── */
@media (max-width: 600px) {
  .gallery {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 160px;
  }
  .tile.span-2,
  .tile.span-3,
  .tile.span-4 { grid-column: span 2; }
  .tile.tall { grid-row: span 1; }
}
@media (max-width: 400px) {
  .gallery {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }
  .tile.span-2,
  .tile.span-3,
  .tile.span-4 { grid-column: span 1; }
}

/* ── Footer ─────────────────────────────────────────── */
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}

/* ── Buttons ────────────────────────────────────────── */
@media (max-width: 480px) {
  .btn        { clip-path: none; }
  .btn-white  { clip-path: none; }
}