/* ============================================================
   SkyGuard Intelligence — Global Stylesheet
   Monochrome black & white aesthetic, Skydio-inspired
   ============================================================ */

:root {
  --bg: #000000;
  --bg-elevated: #0a0a0a;
  --bg-card: #111112;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #fafafa;
  --text-dim: #a1a1aa;
  --text-faint: #6b6b74;
  --accent: #ffffff;
  --accent-soft: #d4d4d8;
  --radius: 14px;
  --radius-lg: 22px;
  --nav-h: 72px;
  --container: 1200px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(255, 255, 255, 0.25); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; line-height: 1.12; }

.display {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.h-xl { font-size: clamp(2rem, 4.4vw, 3.2rem); letter-spacing: -0.03em; }
.h-lg { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.h-md { font-size: 1.25rem; }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-dim);
  line-height: 1.65;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
}

.text-dim { color: var(--text-dim); }
.text-center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.22s ease;
  white-space: nowrap;
}

.btn-primary {
  background: #ffffff;
  color: #000000;
}
.btn-primary:hover {
  background: #d4d4d8;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(255, 255, 255, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: #fff; transform: translateY(-2px); }

.btn-sm { padding: 9px 20px; font-size: 0.88rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap 0.2s ease;
}
.link-arrow:hover { gap: 11px; }
.link-arrow::after { content: "→"; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

/* Logo image: black background disappears via screen blending */
.nav-logo { display: flex; align-items: center; }
.nav-logo img {
  height: 46px;
  width: auto;
  mix-blend-mode: screen;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
}

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 60px) 0 80px;
  overflow: hidden;
}

.hero-sub { min-height: 62vh; padding-bottom: 40px; }

/* Full-bleed photo background with graceful gradient fallback */
.hero-photo {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 80% 55% at 70% 20%, rgba(255, 255, 255, 0.06), transparent 60%),
    #000;
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.6) 0%, rgba(0,0,0,.25) 45%, var(--bg) 97%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 55% at 70% 20%, rgba(255, 255, 255, 0.07), transparent 60%),
    radial-gradient(ellipse 55% 45% at 15% 85%, rgba(255, 255, 255, 0.04), transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 30%, transparent 75%);
}

.hero-content { max-width: 820px; }
.hero .lead { max-width: 620px; margin: 22px 0 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Skydio-style live counter */
.flight-counter {
  margin-top: 72px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}
.flight-counter strong {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.flight-counter span { color: var(--text-faint); font-size: 0.95rem; }

.hero-meta {
  margin-top: 64px;
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}
.hero-meta div strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero-meta div span { font-size: 0.85rem; color: var(--text-faint); }

/* Radar decoration */
.radar {
  position: absolute;
  right: -140px;
  top: 50%;
  transform: translateY(-50%);
  width: 620px;
  height: 620px;
  opacity: 0.4;
  pointer-events: none;
}
.radar circle.ring { fill: none; stroke: rgba(255,255,255,0.09); stroke-width: 1; }
.radar .sweep {
  transform-origin: 50% 50%;
  animation: sweep 6s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.radar .blip { fill: #ffffff; animation: blip 3s ease-in-out infinite; }
.radar .blip:nth-of-type(2) { animation-delay: 1.4s; }
@keyframes blip { 0%, 100% { opacity: 0.1; } 50% { opacity: 0.9; } }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; }
.section-tight { padding: 70px 0; }
.section-dark { background: var(--bg-elevated); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 720px; margin-bottom: 58px; }
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.centered .eyebrow { justify-content: center; }
.section-head .lead { margin-top: 18px; }

.num-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

/* Big statement (Skydio-style) */
.statement { max-width: 940px; }
.statement h2 {
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.statement .lead { max-width: 760px; }

/* ---------- Photo frames ---------- */
.photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #161616, #050505);
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Numbered solution rows (Skydio-style index) ---------- */
.solution-row {
  display: grid;
  grid-template-columns: 80px 1fr 280px 44px;
  align-items: center;
  gap: 34px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  transition: background 0.2s ease;
}
.solution-row:last-of-type { border-bottom: 1px solid var(--line); }
.solution-row:hover { background: rgba(255, 255, 255, 0.03); }
.solution-row .sr-num {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}
.solution-row h3 {
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  letter-spacing: -0.025em;
}
.solution-row h3 small {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-dim);
  margin-top: 6px;
}
.solution-row .sr-photo {
  height: 130px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #1a1a1a, #060606);
}
.solution-row .sr-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: transform 0.4s ease, opacity 0.3s ease;
}
.solution-row:hover .sr-photo img { transform: scale(1.05); opacity: 1; }
.solution-row .sr-arrow {
  font-size: 1.7rem;
  color: var(--text-faint);
  transition: transform 0.2s ease, color 0.2s ease;
}
.solution-row:hover .sr-arrow { transform: translateX(6px); color: #fff; }

/* ---------- Cards & grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.8);
}

.card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  margin-bottom: 22px;
}
.card .icon svg { width: 22px; height: 22px; stroke: #ffffff; }

.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 0.95rem; margin: 0; }
.card .link-arrow { margin-top: 18px; }

/* Story cards (photo + text) */
.story-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.story-card .story-img {
  height: 200px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(150deg, #1a1a1a, #060606);
}
.story-card .story-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.story-card:hover .story-img img { transform: scale(1.05); }
.story-card .story-body { padding: 26px 28px 30px; }
.story-card .story-body .tagline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: 10px;
}

/* Audience split cards */
.split-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 46px 40px;
  min-height: 440px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
  background: linear-gradient(160deg, #141414 0%, #0a0a0a 55%);
}
.split-card:hover { border-color: rgba(255, 255, 255, 0.4); transform: translateY(-5px); }
.split-card .split-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.split-card .split-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.45;
  transition: opacity 0.3s ease, transform 0.5s ease;
}
.split-card:hover .split-photo img { opacity: 0.6; transform: scale(1.04); }
.split-card .split-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.25) 0%, rgba(0,0,0,.55) 55%, rgba(0,0,0,.92) 100%);
}
.split-card > *:not(.split-photo) { position: relative; z-index: 1; }
.split-card h3 { font-size: 1.6rem; margin-bottom: 12px; letter-spacing: -0.02em; }
.split-card p { color: var(--text-dim); max-width: 420px; margin: 0 0 22px; }
.split-card .tag {
  position: absolute;
  top: 28px; left: 40px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ffffff;
}

/* ---------- Steps (How it works) ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step {
  position: relative;
  padding: 34px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}
.step h3 { font-size: 1.12rem; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* ---------- Feature rows ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  padding: 70px 0;
  border-top: 1px solid var(--line);
}
.feature-row:first-of-type { border-top: none; }
.feature-row.reverse .feature-visual { order: 2; }
.feature-row h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 16px; letter-spacing: -0.025em; }
.feature-row p { color: var(--text-dim); margin: 0 0 20px; }

.feature-list li {
  display: flex;
  gap: 12px;
  padding: 9px 0;
  color: var(--text-dim);
  font-size: 0.97rem;
}
.feature-list li::before {
  content: "";
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/10px no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.feature-visual {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #161616, #060606);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.feature-visual svg.art { width: 72%; height: auto; }
.feature-visual img.photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Stats band ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  text-align: center;
}
.stat strong {
  display: block;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #ffffff 30%, #7a7a83);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat span { color: var(--text-faint); font-size: 0.9rem; }

/* ---------- Quote / testimonial ---------- */
.quote {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.quote blockquote {
  margin: 0 0 26px;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.4;
}
.quote blockquote::before { content: "\201C"; color: var(--text-faint); }
.quote blockquote::after { content: "\201D"; color: var(--text-faint); }
.quote cite { font-style: normal; color: var(--text-faint); font-size: 0.95rem; }
.quote cite strong { color: var(--text-dim); display: block; font-size: 1rem; }

/* ---------- Logo marquee ---------- */
.marquee {
  overflow: hidden;
  position: relative;
  padding: 8px 0;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 70px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-track span {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 70px;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(44px, 7vw, 80px);
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 90% at 50% -20%, rgba(255, 255, 255, 0.1), transparent 65%),
    var(--bg-card);
}
.cta-banner h2 { font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.03em; margin-bottom: 16px; }
.cta-banner p { color: var(--text-dim); max-width: 540px; margin: 0 auto 32px; }
.cta-banner .hero-actions { justify-content: center; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 110px) 0 90px;
  position: relative;
  overflow: hidden;
}
.page-hero .display { font-size: clamp(2.3rem, 5vw, 3.8rem); max-width: 820px; }
.page-hero .lead { max-width: 640px; margin-top: 20px; }

/* ---------- Use-case list ---------- */
.usecase {
  display: grid;
  grid-template-columns: 90px 1fr 1.2fr;
  gap: 34px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.usecase:last-child { border-bottom: 1px solid var(--line); }
.usecase .uc-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.5);
}
.usecase h3 { font-size: 1.35rem; letter-spacing: -0.02em; }
.usecase h3 small { display: block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px; }
.usecase p { color: var(--text-dim); margin: 0; font-size: 0.98rem; }

/* ---------- Spec table ---------- */
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.spec {
  background: var(--bg-card);
  padding: 28px 26px;
}
.spec dt { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px; }
.spec dd { margin: 0; font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; }
.spec dd small { display: block; font-size: 0.85rem; font-weight: 400; color: var(--text-dim); margin-top: 4px; }

/* ---------- Values / About ---------- */
.value-item { padding: 30px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 220px 1fr; gap: 30px; }
.value-item:last-child { border-bottom: 1px solid var(--line); }
.value-item h3 { font-size: 1.15rem; }
.value-item p { margin: 0; color: var(--text-dim); }

.team-card { text-align: left; }
.team-card .avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: linear-gradient(140deg, #1c1c1e, #0a0a0b);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.05em;
}
.team-card h3 { font-size: 1.05rem; }
.team-card p { font-size: 0.88rem; color: var(--text-faint); margin: 4px 0 0; }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; align-items: start; }

.contact-info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-info-item .icon {
  width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex; align-items: center; justify-content: center;
}
.contact-info-item .icon svg { width: 19px; height: 19px; stroke: #ffffff; }
.contact-info-item h4 { font-size: 0.98rem; margin-bottom: 3px; }
.contact-info-item p, .contact-info-item a { color: var(--text-dim); font-size: 0.92rem; margin: 0; }
.contact-info-item a:hover { color: #fff; }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--text-dim); }
.form-field input,
.form-field select,
.form-field textarea {
  background: #000;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.8rem; color: var(--text-faint); margin-top: 14px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 70px 0 36px;
  background: var(--bg-elevated);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 44px;
  margin-bottom: 56px;
}
.footer-brand .nav-logo img { height: 54px; mix-blend-mode: screen; }
.footer-brand p { color: var(--text-faint); font-size: 0.9rem; max-width: 300px; margin: 16px 0 0; }
.footer h4 { font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 18px; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: var(--text-dim); font-size: 0.93rem; transition: color 0.2s ease; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.footer-bottom .legal { display: flex; gap: 22px; }
.footer-bottom .legal a:hover { color: #fff; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .radar .sweep, .marquee-track { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .radar { opacity: 0.2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .solution-row { grid-template-columns: 60px 1fr 200px 34px; gap: 22px; }
}

@media (max-width: 860px) {
  .grid-2, .grid-3, .steps { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 34px; padding: 50px 0; }
  .feature-row.reverse .feature-visual { order: 0; }
  .feature-visual { min-height: 280px; }
  .usecase { grid-template-columns: 1fr; gap: 12px; padding: 34px 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 44px; }
  .value-item { grid-template-columns: 1fr; gap: 8px; }
  .spec-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }

  .solution-row { grid-template-columns: 1fr; gap: 16px; padding: 30px 0; }
  .solution-row .sr-num { display: none; }
  .solution-row .sr-photo { height: 170px; order: -1; }
  .solution-row .sr-arrow { display: none; }

  .nav-logo img { height: 38px; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 18px 24px 26px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 11px 0; font-size: 1.05rem; width: 100%; }
  .nav-toggle { display: flex; }
  .nav-cta .btn-ghost { display: none; }

  .hero { min-height: auto; }
  .hero-meta { gap: 30px; margin-top: 46px; }
  .flight-counter { margin-top: 50px; }
  .section { padding: 76px 0; }
}