/* ============================================================
   RHYNO DRONE — LANDING PAGE COMPOSITION
   ============================================================ */

/* ---------- SCROLL REVEAL ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- TOP NAV ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem var(--gutter);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), padding var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 12, 15, 0.78);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  padding-block: 0.7rem;
}
.nav__brand { display: flex; align-items: center; gap: 0.8rem; }
.nav__logo { height: 31px; width: auto; }
.nav__brand .status { display: none; }
.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links a {
  font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-dim); transition: color var(--dur-fast) var(--ease); position: relative;
}
.nav__links a:hover { color: var(--text); }
.nav__cta { display: flex; align-items: center; gap: 1rem; }
.nav__toggle { display: none; flex: none; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: var(--radius); position: relative; }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 1.5px; background: var(--text); transform: translate(-50%, -50%); transition: transform var(--dur) var(--ease), opacity var(--dur-fast);
}
.nav__toggle span::before { transform: translate(-50%, -7px); }
.nav__toggle span::after { transform: translate(-50%, 5px); }
.nav.open .nav__toggle span { background: transparent; }
.nav.open .nav__toggle span::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav.open .nav__toggle span::after { transform: translate(-50%, -50%) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between;
  padding-top: clamp(5.5rem, 12vh, 9rem); padding-bottom: clamp(3rem, 6vw, 6rem); overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover;
  background: url("../img/hero-dusk-cityscape-tiny.jpg") center/cover no-repeat;
  animation: hero-drift 26s var(--ease-in-out) infinite alternate;
}
@keyframes hero-drift { to { transform: scale(1.08) translateY(-1.5%); } }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6,7,8,0.55) 0%, rgba(6,7,8,0.15) 35%, rgba(6,7,8,0.75) 78%, var(--carbon-900) 100%),
    linear-gradient(90deg, rgba(6,7,8,0.8) 0%, transparent 60%);
}
/* HUD scanline overlay on hero */
.hero__scan {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; mix-blend-mode: screen; opacity: 0.4;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(70,227,207,0.04) 3px 4px);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 60%); mask-image: linear-gradient(180deg, transparent, #000 60%);
}
.hero .shell { position: relative; z-index: 1; width: 100%; }

.hero__top {
  width: 100%; padding-inline: var(--gutter);
  display: flex; justify-content: space-between; gap: 1rem; z-index: 1;
}
.hero__coords { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); }
.hero__coords span { color: var(--signal); }

.hero__headline {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: var(--fs-display); line-height: 0.86; letter-spacing: -0.03em; margin-bottom: 1.3rem;
}
.hero__headline .ln { display: block; overflow: hidden; }
.hero__headline .ln > span { display: block; transform: translateY(110%); animation: rise 0.95s var(--ease) forwards; }
.hero__headline .ln:nth-child(2) > span { animation-delay: 0.1s; }
.hero__headline .ln:nth-child(3) > span { animation-delay: 0.2s; }
.hero__headline .outline {
  color: transparent; -webkit-text-stroke: 1.5px var(--signal); text-stroke: 1.5px var(--signal);
}
@keyframes rise { to { transform: translateY(0); } }

.hero__lede {
  max-width: 46ch; color: var(--text); font-size: var(--fs-md); font-weight: 500; line-height: 1.55;
  opacity: 0; animation: fade-up 0.8s var(--ease) 0.5s forwards;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; opacity: 0; animation: fade-up 0.8s var(--ease) 0.65s forwards; }
@keyframes fade-up { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

.hero__telemetry {
  margin-top: clamp(2.5rem, 6vw, 4rem); display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  opacity: 0; animation: fade-up 0.8s var(--ease) 0.8s forwards;
}
.hero__telemetry .stat { background: rgba(10,12,15,0.6); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); padding: 1.2rem 1.3rem; }

/* ---------- FEATURE GRID ---------- */
#capabilities { padding-bottom: 0; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.features .card { border: 0; border-radius: 0; padding: clamp(1.5rem, 3vw, 2.4rem); }
.features .card__title { margin-top: 1.2rem; }

/* ---------- SPLIT / SHOWCASE ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.split--rev { grid-template-columns: 0.95fr 1.05fr; }
.split--rev .split__media { order: -1; }
.showcase-media { aspect-ratio: 4 / 5; }
.feature-list { display: flex; flex-direction: column; gap: 0; margin-top: 2rem; border-top: 1px solid var(--line); }
.feature-list li { display: flex; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.feature-list .n { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--signal); letter-spacing: 0.1em; padding-top: 0.35em; }
.feature-list .t strong { display: block; font-family: var(--font-display); text-transform: uppercase; font-weight: 600; letter-spacing: -0.005em; font-size: var(--fs-md); }
.feature-list .t span { color: var(--text-dim); font-size: var(--fs-sm); }

/* ---------- GALLERY ---------- */
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 140px; gap: 12px; }
.gallery .media { grid-column: span 4; grid-row: span 2; }
.gallery .media.big { grid-column: span 6; grid-row: span 3; }
.gallery .media.wide { grid-column: span 8; grid-row: span 2; }
.gallery .media.tall { grid-column: span 4; grid-row: span 3; }

/* ---------- SERVICE LIST (industries) ---------- */
.services { border-top: 1px solid var(--line); }
.service {
  display: grid; grid-template-columns: 5rem 1fr auto; align-items: center; gap: 1.5rem;
  padding: clamp(1.4rem, 3vw, 2.2rem) 0; border-bottom: 1px solid var(--line);
  transition: padding-left var(--dur) var(--ease), background var(--dur) var(--ease); position: relative;
}
.service::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--signal); transform: scaleY(0); transform-origin: top; transition: transform var(--dur) var(--ease); }
.service:hover { padding-left: 1.4rem; }
.service:hover::before { transform: scaleY(1); }
.service__num { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--text-faint); letter-spacing: 0.1em; }
.service__name { display: block; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: var(--fs-lg); line-height: 1; transition: color var(--dur-fast); }
.service:hover .service__name { color: var(--signal); }
.service__desc { display: block; color: var(--text-dim); font-size: var(--fs-sm); margin-top: 0.55rem; max-width: 52ch; }
.service__arrow { color: var(--text-faint); transition: transform var(--dur) var(--ease), color var(--dur-fast); }
.service:hover .service__arrow { color: var(--signal); transform: translate(4px, -4px); }

/* ---------- CTA BANNER ---------- */
.cta {
  position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(2.5rem, 7vw, 6rem); text-align: center;
}
.cta__bg { position: absolute; inset: 0; z-index: -1; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.cta__bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(6,7,8,0.7), var(--carbon-900) 78%); }
.cta__title { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: var(--fs-2xl); line-height: 0.95; letter-spacing: -0.02em; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* ---------- CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 6vw, 5rem); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.contact-form .field--full { grid-column: 1 / -1; }

/* ---------- FOOTER ---------- */
.footer { border-top: 1px solid var(--line); padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: 2rem; position: relative; }
.footer__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.footer__brand { max-width: 38ch; }
.footer__nav { display: contents; }
.footer__logo { height: 30px; width: auto; margin-bottom: 1.2rem; }
.footer h3 { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 1.2rem; }
.footer__col h3 { display: flex; align-items: center; gap: 0.55rem; }
.footer__col h3::before { content: ""; flex: none; width: 12px; height: 1px; background: var(--signal); opacity: 0.75; }
.footer__cta { font-weight: 500; }
.footer__arr { color: var(--signal); display: inline-block; transition: transform var(--dur-fast); }
.footer__cta:hover .footer__arr { transform: translateX(3px); }
.footer ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer a { color: var(--text-dim); font-size: var(--fs-sm); transition: color var(--dur-fast); }
.footer a:hover { color: var(--signal); }
.footer__base { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.5rem; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.footer__base .wm { font-size: 14vw; line-height: 0.8; }

/* big watermark wordmark */
.footer__watermark { margin-top: 2rem; overflow: hidden; user-select: none; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.footer__watermark-track { display: flex; width: max-content; animation: watermark-scroll 38s linear infinite; }
.footer__watermark-unit { display: flex; align-items: center; padding-right: clamp(2.5rem, 6vw, 6rem); }
.footer__watermark-unit img { height: clamp(3rem, 8vw, 7rem); width: auto; display: block; }
@keyframes watermark-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .gallery .media.big { grid-column: span 12; }
  .gallery .media.wide { grid-column: span 12; }
  .gallery .media.tall { grid-column: span 6; grid-row: span 2; }
  .gallery .media { grid-column: span 6; }
  .gallery .media.g-fill { grid-column: span 12; }
}

@media (max-width: 768px) {
  .hero__kicker { display: none; }
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: block; }
  .nav.open { background: var(--carbon-900); border-bottom-color: var(--line); }
  .nav.open .nav__links {
    display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column;
    align-items: flex-start; gap: 0; padding: 1rem var(--gutter) 2rem; background: var(--carbon-900); border-bottom: 1px solid var(--line);
  }
  .nav.open .nav__links a { padding: 1rem 0; width: 100%; border-bottom: 1px solid var(--line); font-size: var(--fs-sm); }

  .hero { flex-direction: column; align-items: stretch; justify-content: center; padding-top: 7rem; }
  .hero__top { position: static; order: -1; margin-bottom: 1.6rem; padding-inline: var(--gutter); flex-wrap: wrap; gap: 0.4rem 1.4rem; }
  .hero__coords--geo { display: none; }
  .hero__headline { font-size: clamp(2.5rem, 12.5vw, 4.2rem); }
  .hero__telemetry { grid-template-columns: repeat(2, 1fr); }

  .split, .split--rev { grid-template-columns: 1fr; }
  .split--rev .split__media { order: 0; }
  .showcase-media { aspect-ratio: 4 / 3; }

  .contact-grid { grid-template-columns: 1fr; }
  .service { grid-template-columns: 3rem 1fr; }
  .service__arrow { display: none; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: clamp(2rem, 7vw, 3rem); }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .features { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .hero__telemetry { grid-template-columns: 1fr 1fr; }
  .cta__actions .btn { width: 100%; }
}