/* =========================================================
   Firenetting.com
   Serious wildfire defense / patent technology visual system
   ========================================================= */

:root {
  --ink: #111111;
  --ink-soft: #2a2a2a;
  --muted: #666666;
  --paper: #f7f3ec;
  --white: #ffffff;
  --smoke: #211b18;
  --smoke-2: #342820;
  --ember: #ff6a1a;
  --ember-2: #ff9d3d;
  --ember-dark: #8f2f0b;
  --gold: #d9a441;
  --line: rgba(255, 255, 255, 0.16);
  --dark-line: rgba(0, 0, 0, 0.12);
  --max: 1180px;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

p {
  margin: 0 0 1rem;
}

strong {
  font-weight: 800;
}

/* =========================
   Header / Navigation
   ========================= */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.24), transparent);
  color: var(--white);
}

.nav-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, var(--ember-2), var(--ember) 35%, var(--ember-dark) 70%);
  box-shadow: 0 0 24px rgba(255, 106, 26, 0.55);
}

.brand small {
  display: block;
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: 0.66rem;
  color: rgba(255, 255, 255, 0.72);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-links a {
  opacity: 0.86;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--ember-2);
}

.nav-cta {
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

/* =========================
   Hero
   ========================= */

.hero {
  min-height: 94vh;
  position: relative;
  color: var(--white);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #000;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.18) 35%, rgba(0, 0, 0, 0.78) 100%),
    radial-gradient(circle at 25% 40%, rgba(255, 106, 26, 0.25), transparent 35%);
  z-index: 2;
}

.hero img,
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max);
  margin: 0 auto;
  padding: 170px 22px 76px;
  width: 100%;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ember-2);
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 18px;
}

.kicker::before {
  content: "";
  width: 44px;
  height: 2px;
  background: var(--ember-2);
  box-shadow: 0 0 18px rgba(255, 157, 61, 0.9);
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(3.3rem, 8vw, 7.6rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.hero-lede {
  max-width: 760px;
  margin: 28px 0 0;
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 19px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--ember), var(--ember-2));
  color: #1a0903;
  box-shadow: 0 16px 40px rgba(255, 106, 26, 0.32);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.hero-stats {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 920px;
  backdrop-filter: blur(14px);
}

.hero-stat {
  padding: 20px;
  background: rgba(15, 13, 12, 0.62);
}

.hero-stat b {
  display: block;
  font-size: 1.25rem;
  color: var(--white);
}

.hero-stat span {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.85rem;
}

/* =========================
   General Sections
   ========================= */

.section {
  padding: 92px 22px;
}

.section-dark {
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 106, 26, 0.18), transparent 28%),
    linear-gradient(135deg, var(--smoke), #0c0a09);
  color: var(--white);
}

.section-paper {
  background: var(--paper);
}

.section-white {
  background: var(--white);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  max-width: 850px;
  margin-bottom: 38px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  color: var(--ember);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.75rem;
  margin-bottom: 10px;
}

.section h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4.4vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.section h3 {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.section-lede {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 760px;
}

.section-dark .section-lede {
  color: rgba(255, 255, 255, 0.72);
}

/* =========================
   Cards / Grids
   ========================= */

.grid {
  display: grid;
  gap: 22px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  border: 1px solid var(--dark-line);
  box-shadow: 0 18px 50px rgba(39, 26, 17, 0.08);
}

.card-dark {
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.card-img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card-body p {
  color: var(--muted);
}

.card-dark .card-body p {
  color: rgba(255, 255, 255, 0.72);
}

.number {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(255, 106, 26, 0.12);
  color: var(--ember-dark);
  font-weight: 900;
}

.section-dark .number {
  color: var(--ember-2);
  background: rgba(255, 106, 26, 0.16);
}

/* =========================
   Patent / Technical Figures
   ========================= */

.patent-band {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.84), rgba(0, 0, 0, 0.62)),
    radial-gradient(circle at 10% 50%, rgba(255, 106, 26, 0.28), transparent 34%);
  color: var(--white);
}

.patent-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
  align-items: center;
}

.patent-panel {
  padding: 34px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
}

.patent-panel p {
  color: rgba(255, 255, 255, 0.74);
}

.patent-no {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--ember-2);
  font-weight: 900;
  font-size: 1rem;
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.figure-card {
  background: #fff;
  border-radius: 18px;
  padding: 12px;
  border: 1px solid rgba(0, 0, 0, 0.14);
}

.figure-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 12px;
  background: #fff;
}

.figure-card figcaption {
  color: #333;
  font-size: 0.82rem;
  font-weight: 800;
  margin-top: 10px;
}

/* =========================
   Feature Split
   ========================= */

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
}

.split-media {
  position: relative;
  border-radius: calc(var(--radius) + 8px);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #111;
}

.split-media img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: inherit;
  pointer-events: none;
}

.check-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  margin: 14px 0;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: -2px;
  color: var(--ember);
  font-size: 1.75rem;
  line-height: 1;
}

.section-dark .check-list li {
  color: rgba(255, 255, 255, 0.76);
}

/* =========================
   Inventor Section
   ========================= */

.inventor {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 38px;
  align-items: center;
}

.headshot {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
  background: #ddd;
}

.headshot img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.bio-card {
  padding: 36px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--dark-line);
  box-shadow: 0 18px 50px rgba(39, 26, 17, 0.08);
}

.bio-card p {
  color: var(--muted);
  font-size: 1.06rem;
}

/* =========================
   CTA
   ========================= */

.cta {
  text-align: center;
  padding: 92px 22px;
  color: var(--white);
  background:
    linear-gradient(rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.82)),
    url("/images/firenetting-closeup-drone-spraying-fire-net-embers.jpg") center / cover no-repeat;
}

.cta-inner {
  max-width: 860px;
  margin: 0 auto;
}

.cta h2 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.cta p {
  margin: 20px auto 0;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.15rem;
}

/* =========================
   Footer
   ========================= */

.site-footer {
  background: #080706;
  color: rgba(255, 255, 255, 0.72);
  padding: 40px 22px;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-inner b {
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--ember-2);
}

/* =========================
   Utility
   ========================= */

.muted {
  color: var(--muted);
}

.dark-muted {
  color: rgba(255, 255, 255, 0.7);
}

.tight {
  max-width: 740px;
}

.full-bleed-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.caption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.section-dark .caption {
  color: rgba(255, 255, 255, 0.58);
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 920px) {
  .nav-wrap {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 86vh;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-2,
  .grid-3,
  .split,
  .patent-grid,
  .inventor {
    grid-template-columns: 1fr;
  }

  .inventor {
    gap: 24px;
  }

  .headshot {
    max-width: 360px;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 68px 18px;
  }

  .hero-content {
    padding: 132px 18px 52px;
  }

  .hero h1 {
    font-size: clamp(3rem, 17vw, 5rem);
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

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

  .card-body,
  .bio-card,
  .patent-panel {
    padding: 22px;
  }

  .footer-inner {
    display: block;
  }

  .footer-links {
    margin-top: 16px;
  }
}