:root {
  --bg: #07090d;
  --panel: rgba(11, 14, 20, 0.82);
  --panel-solid: #10141b;
  --text: #f5f7fb;
  --muted: #b7bfca;
  --soft: #778190;
  --line: rgba(255, 255, 255, 0.15);
  --red: #e01722;
  --red-dark: #9d1018;
  --steel: #d7dce3;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 54px);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0));
}

.brand img {
  width: clamp(120px, 12vw, 184px);
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.46));
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  overflow: hidden;
  padding: 132px clamp(18px, 5vw, 72px) 54px;
  isolation: isolate;
}

.hero-media,
.hero-grid,
.hero-scan {
  position: absolute;
  inset: 0;
  z-index: -3;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(5, 8, 12, 0.86) 0%, rgba(5, 8, 12, 0.72) 34%, rgba(5, 8, 12, 0.30) 68%, rgba(5, 8, 12, 0.14) 100%),
    linear-gradient(0deg, rgba(5, 8, 12, 0.88) 0%, rgba(5, 8, 12, 0.05) 44%),
    url("assets/hero-drone-cleaning.png") center / cover no-repeat;
  transform: scale(1.02);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-grid {
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0));
}

.hero-scan {
  z-index: -1;
  background:
    radial-gradient(circle at 23% 43%, rgba(224, 23, 34, 0.16), transparent 20%),
    linear-gradient(120deg, transparent 0 31%, rgba(224, 23, 34, 0.38) 31.2%, transparent 31.8% 100%);
  opacity: 0.85;
}

.hero-content {
  align-self: end;
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--steel);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 0.98;
}

h1 {
  max-width: 720px;
  font-size: clamp(3.15rem, 8vw, 7.3rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(2rem, 4.4vw, 4.6rem);
  font-weight: 870;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.7vw, 1.35rem);
}

.event-strip {
  display: grid;
  grid-template-columns: 0.7fr 0.65fr 1.65fr;
  gap: 1px;
  max-width: 840px;
  margin: 34px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}

.event-strip div {
  padding: 18px;
  background: rgba(8, 11, 16, 0.78);
  backdrop-filter: blur(16px);
}

.event-strip span {
  display: block;
  margin-bottom: 4px;
  color: var(--soft);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.event-strip strong {
  display: block;
  font-size: clamp(0.92rem, 1.4vw, 1.08rem);
}

.location-link {
  text-decoration-color: rgba(224, 23, 34, 0.68);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.location-link:hover {
  color: white;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 850;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: white;
  box-shadow: 0 16px 40px rgba(224, 23, 34, 0.28);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  backdrop-filter: blur(14px);
}

.demo-card {
  position: absolute;
  right: clamp(18px, 5vw, 72px);
  bottom: 48px;
  width: min(320px, calc(100vw - 36px));
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 16, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.demo-card p {
  margin: 14px 0 4px;
  color: var(--soft);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.demo-card strong {
  display: block;
  font-size: 1.13rem;
  line-height: 1.22;
}

.radar {
  position: relative;
  width: 82px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(224, 23, 34, 0.88) 0 3px, transparent 4px),
    repeating-radial-gradient(circle, rgba(255, 255, 255, 0.2) 0 1px, transparent 1px 18px);
}

.radar span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 41px;
  height: 2px;
  background: linear-gradient(90deg, rgba(224, 23, 34, 0), rgba(224, 23, 34, 0.9));
  transform-origin: left;
  animation: sweep 3.8s linear infinite;
}

.section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 92px);
  padding: clamp(62px, 10vw, 112px) clamp(18px, 5vw, 72px);
}

.intro {
  background:
    linear-gradient(180deg, #07090d, #10141b),
    radial-gradient(circle at 80% 10%, rgba(224, 23, 34, 0.16), transparent 28%);
}

.intro-copy p,
.rsvp-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.benefit-list {
  display: grid;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.benefit-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
}

.benefit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.56em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 18px rgba(224, 23, 34, 0.52);
}

.benefit-list strong {
  display: inline;
  color: #ff4a43;
  font-weight: 900;
}

.benefit-list span {
  color: var(--muted);
}

.feature-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.feature-row span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--steel);
  font-size: 0.82rem;
  font-weight: 750;
}

.rsvp-band {
  padding: clamp(26px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(224, 23, 34, 0.18), transparent 34%),
    linear-gradient(180deg, #10141b, #07090d);
}

.rsvp-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 0.74fr);
  gap: clamp(28px, 5vw, 70px);
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(22px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025)),
    var(--panel-solid);
  box-shadow: var(--shadow);
}

.rsvp-copy {
  align-self: center;
}

.rsvp-copy h2 {
  margin-bottom: 22px;
}

.contact-link {
  display: inline-flex;
  margin-top: 24px;
  color: var(--text);
  font-weight: 800;
  text-decoration-color: rgba(224, 23, 34, 0.7);
  text-underline-offset: 5px;
}

.rsvp-form {
  display: grid;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.24);
}

.rsvp-form label {
  display: grid;
  gap: 7px;
}

.rsvp-form span {
  color: var(--steel);
  font-size: 0.79rem;
  font-weight: 800;
  text-transform: uppercase;
}

.rsvp-form input,
.rsvp-form select {
  width: 100%;
  min-height: 50px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font: inherit;
  padding: 0 14px;
  outline: none;
}

.rsvp-form select option {
  color: #111;
}

.rsvp-form input:focus,
.rsvp-form select:focus {
  border-color: rgba(224, 23, 34, 0.86);
  box-shadow: 0 0 0 4px rgba(224, 23, 34, 0.16);
}

.form-button {
  width: 100%;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.form-button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-note {
  margin: 0;
  color: var(--soft);
  font-size: 0.85rem;
}

.form-status {
  min-height: 1.3em;
  margin: 0;
  color: var(--steel);
  font-size: 0.9rem;
}

.local-success {
  min-height: 320px;
  display: grid;
  align-content: center;
  gap: 12px;
  text-align: center;
}

.local-success h3 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.local-success p {
  margin: 0;
  color: var(--muted);
}

.hidden {
  display: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 0.88rem;
}

.success-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(rgba(4, 6, 10, 0.82), rgba(4, 6, 10, 0.9)),
    url("assets/hero-drone-cleaning.png") center / cover no-repeat;
}

.success-card {
  width: min(640px, 100%);
  padding: clamp(26px, 6vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(9, 12, 18, 0.86);
  box-shadow: var(--shadow);
  text-align: center;
  backdrop-filter: blur(18px);
}

.success-card img {
  width: min(260px, 72vw);
  margin: 0 auto 26px;
}

.success-card h1 {
  font-size: clamp(2.5rem, 7vw, 4.8rem);
}

.success-card p:not(.section-kicker) {
  color: var(--muted);
}

@keyframes heroDrift {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.06) translate3d(-14px, -8px, 0);
  }
}

@keyframes sweep {
  from {
    transform: rotate(0deg) translateY(-1px);
  }

  to {
    transform: rotate(360deg) translateY(-1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 120px;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(5, 8, 12, 0.82), rgba(5, 8, 12, 0.62) 48%, rgba(5, 8, 12, 0.92)),
      url("assets/hero-drone-cleaning.png") 58% center / cover no-repeat;
  }

  .event-strip,
  .section,
  .rsvp-panel {
    grid-template-columns: 1fr;
  }

  .demo-card {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 34px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand img {
    width: 106px;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 14px;
  }

  .hero {
    padding: 98px 16px 40px;
  }

  h1 {
    font-size: clamp(2.68rem, 15vw, 4.4rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .event-strip div {
    padding: 15px;
  }

  .section,
  .rsvp-band {
    padding-left: 16px;
    padding-right: 16px;
  }

  .rsvp-panel,
  .rsvp-form {
    padding: 18px;
  }
}