/* ==========================================================================
   Drone View - Immersive flight layer
   ========================================================================== */

:root {
    --hud-font: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
    --accent-soft: color-mix(in srgb, var(--accent-color) 18%, transparent);
    --accent-line: color-mix(in srgb, var(--accent-color) 45%, transparent);
}

html.dv-booting,
html.dv-lock-scroll {
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Preflight boot
   -------------------------------------------------------------------------- */
.dv-boot {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 50% 45%, #0b141b 0%, #050505 70%);
    color: var(--text-primary);
    font-family: var(--hud-font);
    overflow: hidden;
    transition: opacity 0.8s ease, transform 0.9s cubic-bezier(0.7, 0, 0.3, 1), filter 0.8s ease;
}

.dv-boot.dv-boot-out {
    opacity: 0;
    transform: scale(1.35);
    filter: blur(12px);
    pointer-events: none;
}

.dv-boot-grid {
    position: absolute;
    inset: -50%;
    background-image:
        linear-gradient(var(--accent-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-soft) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(600px) rotateX(62deg) translateY(10%);
    animation: dvGridFly 2.4s linear infinite;
    mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 60%);
    -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 60%);
    opacity: 0.6;
}

@keyframes dvGridFly {
    to { background-position: 0 60px; }
}

.dv-boot-radar {
    position: absolute;
    width: min(80vmin, 640px);
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid var(--accent-soft);
    background: repeating-radial-gradient(circle, transparent 0 69px, var(--accent-soft) 69px 70px);
}

.dv-boot-radar span {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent-line), transparent 70deg);
    animation: radarSweep 2.6s linear infinite;
    opacity: 0.5;
}

.dv-boot-inner {
    position: relative;
    width: min(440px, calc(100vw - 32px));
    padding: 2rem;
    border: 1px solid var(--accent-line);
    border-radius: 20px;
    background: rgba(5, 8, 12, 0.72);
    backdrop-filter: blur(14px);
    box-shadow: 0 0 60px var(--accent-soft);
}

.dv-boot-kicker {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.dv-boot-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 0.6rem 0 1.4rem;
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.7rem, 7vw, 2.3rem);
    font-weight: 800;
    letter-spacing: 0.14em;
    color: var(--text-primary);
}

.dv-boot-logo img {
    width: 1.5em;
    height: 1.5em;
    animation: spin 6s linear infinite;
}

.dv-boot-logo b {
    font-weight: 300;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dv-boot-log {
    list-style: none;
    min-height: 9.6rem;
    font-size: 0.8rem;
}

.dv-boot-log li {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.15rem 0;
    color: var(--text-secondary);
    animation: dvLogIn 0.3s ease-out both;
}

.dv-boot-log li i {
    flex: 1;
    border-bottom: 1px dotted rgba(255, 255, 255, 0.18);
}

.dv-boot-log li b {
    color: var(--accent-color);
    font-weight: 700;
}

@keyframes dvLogIn {
    from { opacity: 0; transform: translateX(-8px); }
}

.dv-boot-bar {
    height: 3px;
    margin: 1.2rem 0;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.dv-boot-bar span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--accent-gradient);
    box-shadow: 0 0 12px var(--accent-color);
    transition: width 0.25s ease;
}

.dv-boot-actions {
    display: grid;
    gap: 0.6rem;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.dv-boot-ready .dv-boot-actions {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.dv-boot-go {
    padding: 0.9rem 1rem;
    border: 0;
    border-radius: 999px;
    background: var(--accent-gradient);
    color: #fff;
    font: 700 0.95rem 'Outfit', sans-serif;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 10px 30px var(--accent-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dv-boot-go:hover,
.dv-boot-go:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px var(--accent-line);
    outline: none;
}

.dv-boot-go.dv-ghost {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    box-shadow: none;
}

.dv-boot-skip {
    position: absolute;
    right: 24px;
    bottom: 24px;
    border: 0;
    background: none;
    color: var(--text-secondary);
    font: 600 0.75rem var(--hud-font);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
}

.dv-boot-skip:hover {
    color: var(--accent-color);
}

/* --------------------------------------------------------------------------
   Telemetry HUD
   -------------------------------------------------------------------------- */
.dv-hud {
    position: fixed;
    left: 20px;
    bottom: 20px;
    z-index: 990;
    width: 236px;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--accent-line);
    border-radius: 16px;
    background: rgba(5, 8, 12, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45), 0 0 24px var(--accent-soft);
    font-family: var(--hud-font);
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s, width 0.3s ease;
}

.dv-airborne .dv-hud {
    opacity: 1;
    transform: none;
}

.dv-hud-top {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dv-rec {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-right: auto;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.dv-rec b {
    color: var(--text-primary);
    font-weight: 600;
}

.dv-rec-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff3b3b;
    box-shadow: 0 0 10px #ff3b3b;
    animation: pulseDot 1.1s ease-in-out infinite;
}

.dv-hud-btn {
    width: 28px;
    height: 28px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.dv-hud-btn:hover,
.dv-hud-btn[aria-pressed="true"] {
    color: var(--accent-color);
    border-color: var(--accent-line);
}

.dv-hud-body {
    overflow: hidden;
    max-height: 200px;
    transition: max-height 0.35s ease, opacity 0.3s ease;
}

.dv-hud.is-collapsed {
    width: auto;
}

.dv-hud.is-collapsed .dv-hud-body {
    max-height: 0;
    opacity: 0;
}

.dv-hud-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 0.8rem;
    margin-top: 0.7rem;
}

.dv-hud-grid div {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.dv-hud-grid span {
    width: 2.2rem;
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--accent-color);
}

.dv-hud-grid b {
    font-size: 1.05rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.dv-hud-grid em {
    font-style: normal;
    font-size: 0.62rem;
    color: var(--text-secondary);
}

.dv-hud-bat {
    height: 3px;
    margin-top: 0.6rem;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.dv-hud-bat span {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: width 1s linear, background 0.3s ease;
}

.dv-hud.is-low .dv-hud-bat span {
    background: linear-gradient(90deg, #ff3b3b, #ff9f00);
}

.dv-hud.is-low [data-hud="bat"] {
    color: #ff7a59;
}

.dv-hud-gps {
    margin-top: 0.55rem;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.dv-hud-gps i {
    color: var(--accent-color);
    margin-right: 0.3rem;
}

/* Altitude tape */
.dv-alt-tape {
    position: fixed;
    top: 50%;
    right: 18px;
    z-index: 980;
    height: 240px;
    width: 46px;
    transform: translateY(-50%);
    font-family: var(--hud-font);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s ease 0.6s;
}

.dv-airborne .dv-alt-tape {
    opacity: 0.85;
}

.dv-alt-window {
    position: absolute;
    inset: 0;
    overflow: hidden;
    mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent);
    -webkit-mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent);
}

/* The scale is 25 ticks × 24px; translateY(0..100%) slides it so the current
   altitude sits under the pointer in the middle of the window. */
.dv-alt-scale {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(50% - 12px);
    list-style: none;
}

.dv-alt-scale li {
    position: relative;
    height: 24px;
    padding-right: 14px;
    text-align: right;
    font-size: 0.6rem;
    line-height: 24px;
    color: var(--text-secondary);
}

.dv-alt-scale li::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 6px;
    height: 1px;
    background: var(--accent-line);
}

.dv-alt-scale li.major::after {
    width: 11px;
    background: var(--accent-color);
}

.dv-alt-pointer {
    position: absolute;
    top: 50%;
    right: 52px;
    transform: translateY(-50%);
    padding: 0.15rem 0.45rem;
    border: 1px solid var(--accent-color);
    border-radius: 6px;
    background: rgba(5, 8, 12, 0.85);
    font-size: 0.7rem;
    color: var(--text-secondary);
    white-space: nowrap;
    box-shadow: 0 0 14px var(--accent-soft);
}

.dv-alt-pointer b {
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.dv-alt-pointer::after {
    content: '';
    position: absolute;
    right: -7px;
    top: 50%;
    border: 6px solid transparent;
    border-left-color: var(--accent-color);
    border-right: 0;
    transform: translateY(-50%);
}

@media (max-width: 1100px) {
    .dv-alt-tape { display: none; }
}

@media (max-width: 600px) {
    .dv-hud {
        left: 12px;
        bottom: 12px;
        width: calc(100vw - 24px);
        max-width: 300px;
    }

    .dv-hud.is-collapsed {
        width: auto;
    }
}

/* --------------------------------------------------------------------------
   Hero viewfinder
   -------------------------------------------------------------------------- */
.hero.dv-hero {
    background: #050505;
    --hero-p: 0;
    --mx: 0;
    --my: 0;
}

.dv-hero-bg {
    position: absolute;
    inset: -6%;
    background: url('../assets/images/Background.avif') center/cover no-repeat;
    transform:
        translate3d(calc(var(--mx) * -22px), calc(var(--my) * -14px + var(--hero-p) * 18vh), 0)
        scale(calc(1.06 + var(--hero-p) * 0.25));
    will-change: transform;
}

.dv-airborne .dv-hero-bg {
    animation: dvHeroDescend 2.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes dvHeroDescend {
    from { filter: blur(10px) brightness(1.6); scale: 1.3; }
    to { filter: none; scale: 1; }
}

.dv-hero .hero-content {
    transform: translate3d(calc(var(--mx) * 12px), calc(var(--my) * 8px - var(--hero-p) * 30vh), 0);
    opacity: calc(1 - var(--hero-p) * 1.6);
}

.dv-hero .hero-content.reveal.active {
    transform: translate3d(calc(var(--mx) * 12px), calc(var(--my) * 8px - var(--hero-p) * 30vh), 0) !important;
}

.dv-hero h1 {
    text-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.dv-viewfinder {
    position: absolute;
    inset: calc(var(--nav-height) + 18px) 28px 28px;
    z-index: 3;
    pointer-events: none;
    font-family: var(--hud-font);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.82);
    opacity: calc(1 - var(--hero-p) * 2);
}

.dv-vf-corner {
    position: absolute;
    width: 34px;
    height: 34px;
    border: 2px solid rgba(255, 255, 255, 0.75);
}

.dv-vf-corner.tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.dv-vf-corner.tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.dv-vf-corner.bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.dv-vf-corner.br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.dv-vf-top {
    position: absolute;
    top: 6px;
    left: 50px;
    right: 50px;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.dv-vf-top span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.dv-vf-top .dv-rec-dot {
    display: inline-block;
}

.dv-vf-bottom {
    position: absolute;
    bottom: 6px;
    left: 50px;
    right: 50px;
    display: flex;
    justify-content: space-between;
}

.dv-horizon {
    position: absolute;
    top: 50%;
    left: 18%;
    right: 18%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55) 15%, transparent 42%, transparent 58%, rgba(255, 255, 255, 0.55) 85%, transparent);
}

.dv-reticle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 64px;
    height: 64px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}

.dv-reticle::before,
.dv-reticle::after {
    content: '';
    position: absolute;
    background: var(--accent-color);
    box-shadow: 0 0 6px var(--accent-color);
}

.dv-reticle::before { top: 50%; left: -14px; right: -14px; height: 1px; }
.dv-reticle::after { left: 50%; top: -14px; bottom: -14px; width: 1px; }

.dv-pitch-ladder {
    position: absolute;
    top: 30%;
    left: 6%;
    display: grid;
    gap: 34px;
    color: rgba(255, 255, 255, 0.5);
}

.dv-pitch-ladder span::before {
    content: '';
    display: inline-block;
    width: 26px;
    height: 1px;
    margin-right: 8px;
    vertical-align: middle;
    background: rgba(255, 255, 255, 0.5);
}

.dv-scroll-cue {
    position: absolute;
    bottom: 56px;
    left: 50%;
    z-index: 4;
    transform: translateX(-50%);
    display: grid;
    justify-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font: 600 0.68rem var(--hud-font);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    text-decoration: none;
    opacity: calc(1 - var(--hero-p) * 4);
}

.dv-scroll-cue i {
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.55);
    border-radius: 12px;
    position: relative;
}

.dv-scroll-cue i::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    width: 4px;
    height: 8px;
    margin-left: -2px;
    border-radius: 2px;
    background: var(--accent-color);
    animation: dvScrollCue 1.6s ease-in-out infinite;
}

@keyframes dvScrollCue {
    0% { transform: translateY(0); opacity: 1; }
    80% { transform: translateY(12px); opacity: 0; }
    100% { opacity: 0; }
}

@media (max-width: 768px) {
    .dv-viewfinder { inset: calc(var(--nav-height) + 10px) 14px 14px; font-size: 0.6rem; }
    .dv-vf-top { left: 40px; right: 40px; }
    .dv-vf-top span:nth-child(2),
    .dv-vf-bottom span:nth-child(2),
    .dv-pitch-ladder { display: none; }
    .dv-vf-bottom { left: 40px; right: 40px; }
    .dv-scroll-cue { bottom: 96px; }
}

/* --------------------------------------------------------------------------
   Ascent: scroll-driven climb
   -------------------------------------------------------------------------- */
.dv-ascent {
    position: relative;
    height: 320vh;
    --ascent-p: 0;
}

.dv-ascent-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    background: #050505;
}

.dv-ascent-img {
    position: absolute;
    inset: 0;
    background: url('../assets/RadunoPaesana2026/images/PiazzaAlto.avif') center/cover no-repeat;
    transform: scale(3.4) rotate(-14deg);
    transform-origin: 46% 52%;
    will-change: transform;
    filter: saturate(calc(0.6 + var(--ascent-p) * 0.5)) brightness(calc(0.55 + var(--ascent-p) * 0.35));
}

.dv-ascent-sticky::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 40%, rgba(5, 5, 5, 0.75) 100%),
        linear-gradient(180deg, #050505 0%, transparent 14%, transparent 86%, #050505 100%);
    pointer-events: none;
}

.dv-ascent-grid {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 33.333% 33.333%;
    pointer-events: none;
}

.dv-ascent-hud {
    position: absolute;
    top: 50%;
    left: clamp(16px, 5vw, 64px);
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    transform: translateY(-50%);
    font-family: var(--hud-font);
}

.dv-ascent-bar {
    position: relative;
    width: 4px;
    height: 42vh;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.dv-ascent-bar span {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 0;
    background: var(--accent-gradient);
    box-shadow: 0 0 14px var(--accent-color);
}

.dv-ascent-alt span {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.25em;
    color: var(--accent-color);
}

.dv-ascent-alt b {
    font-size: clamp(3rem, 9vw, 6.5rem);
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 30px rgba(0, 0, 0, 0.6);
}

.dv-ascent-alt em {
    font-style: normal;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-left: 0.3rem;
}

.dv-ascent-captions {
    position: absolute;
    right: clamp(16px, 6vw, 96px);
    bottom: 16vh;
    z-index: 2;
    width: min(520px, calc(100vw - 32px));
    text-align: right;
}

.dv-ascent-captions p {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100%;
    font-size: clamp(1.6rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateY(30px);
    filter: blur(6px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s ease;
}

.dv-ascent-captions p small {
    display: block;
    margin-bottom: 0.6rem;
    font: 600 0.7rem var(--hud-font);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.dv-ascent-captions p.is-active {
    opacity: 1;
    transform: none;
    filter: none;
}

.dv-ascent-tag {
    position: absolute;
    top: calc(var(--nav-height) + 24px);
    right: clamp(16px, 5vw, 64px);
    z-index: 2;
    font: 600 0.68rem var(--hud-font);
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.75);
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .dv-ascent { height: 260vh; }
    .dv-ascent-hud { top: calc(var(--nav-height) + 30px); transform: none; }
    .dv-ascent-bar { height: 22vh; }
    .dv-ascent-captions { bottom: 14vh; }
    .dv-ascent-tag { display: none; }
}

/* --------------------------------------------------------------------------
   Mission cards
   -------------------------------------------------------------------------- */
.dv-missions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

@media (max-width: 1024px) {
    .dv-missions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.dv-mission {
    --px: 50%;
    --py: 50%;
    position: relative;
    display: block;
    aspect-ratio: 4 / 5;
    border-radius: 28px;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
    border: 1px solid var(--glass-border);
    background: #0a0a0a;
    isolation: isolate;
    transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.dv-mission:hover,
.dv-mission:focus-visible {
    border-color: var(--accent-color);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 40px var(--accent-soft);
    transform: translateY(-8px);
    outline: none;
}

.dv-mission-img {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    transform: scale(1.08);
    transition: transform 6s ease-out, filter 0.6s ease;
    filter: saturate(0.85) brightness(0.8);
}

.dv-mission:hover .dv-mission-img {
    transform: scale(1.22) translate(-2%, -2%);
    filter: saturate(1.1) brightness(0.95);
}

.dv-mission::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at var(--px) var(--py), var(--accent-soft), transparent 35%),
        linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.1) 55%, rgba(0, 0, 0, 0.45) 100%);
}

/* Scanning line on hover */
.dv-mission::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    box-shadow: 0 0 18px var(--accent-color);
    opacity: 0;
}

.dv-mission:hover::after {
    opacity: 0.9;
    animation: dvScan 2.2s linear infinite;
}

@keyframes dvScan {
    from { top: -2%; }
    to { top: 102%; }
}

.dv-mission-target {
    position: absolute;
    left: var(--px);
    top: var(--py);
    width: 70px;
    height: 70px;
    transform: translate(-50%, -50%) scale(0.6);
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.dv-mission-target::before,
.dv-mission-target::after {
    content: '';
    position: absolute;
    background: var(--accent-color);
}

.dv-mission-target::before { top: 50%; left: -10px; right: -10px; height: 1px; }
.dv-mission-target::after { left: 50%; top: -10px; bottom: -10px; width: 1px; }

.dv-mission:hover .dv-mission-target {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1);
}

.dv-mission-head {
    position: absolute;
    top: 1.4rem;
    left: 1.5rem;
    right: 1.5rem;
    display: flex;
    justify-content: space-between;
    font: 600 0.68rem var(--hud-font);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
}

.dv-mission-head span:first-child {
    color: var(--accent-color);
}

.dv-mission-body {
    position: absolute;
    left: 1.5rem;
    right: 1.5rem;
    bottom: 1.6rem;
}

.dv-mission-body h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    margin-bottom: 0.6rem;
}

.dv-mission-body p {
    color: var(--text-secondary);
    max-width: 30ch;
}

.dv-mission-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
}

.dv-mission-tags span {
    padding: 0.25rem 0.7rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(6px);
    font: 600 0.65rem var(--hud-font);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.dv-mission-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.05em;
}

.dv-mission-cta i {
    transition: transform 0.3s ease;
}

.dv-mission:hover .dv-mission-cta i {
    transform: translateX(6px) rotate(-20deg);
}

@media (max-width: 768px) {
    .dv-missions { grid-template-columns: 1fr; }
    .dv-mission { aspect-ratio: 4 / 4.4; }
}

/* --------------------------------------------------------------------------
   Specs strip
   -------------------------------------------------------------------------- */
.dv-specs {
    padding: 70px 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background:
        linear-gradient(90deg, transparent, var(--accent-soft), transparent) top / 100% 1px no-repeat,
        radial-gradient(ellipse at center, rgba(255, 255, 255, 0.025), transparent 70%);
}

.dv-specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.dv-spec b {
    display: block;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dv-spec span {
    display: block;
    margin-top: 0.7rem;
    font: 600 0.7rem var(--hud-font);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .dv-specs-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1rem; }
}

/* --------------------------------------------------------------------------
   360° panorama viewer
   -------------------------------------------------------------------------- */
.dv-pano-section .section-header p {
    max-width: 640px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.dv-pano {
    position: relative;
    height: min(72vh, 680px);
    min-height: 380px;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid var(--accent-line);
    background: radial-gradient(circle at 50% 40%, #0d1a24, #050505 70%);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 50px var(--accent-soft);
    outline: none;
}

.dv-pano:focus-visible {
    box-shadow: 0 0 0 3px var(--accent-color), 0 30px 80px rgba(0, 0, 0, 0.55);
}

.dv-pano-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
    touch-action: pan-y;
    opacity: 0;
    transition: opacity 1s ease;
}

.dv-pano.is-ready .dv-pano-canvas { opacity: 1; }
.dv-pano.is-dragging .dv-pano-canvas { cursor: grabbing; }

.dv-pano-loading {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 0.8rem;
    font: 600 0.75rem var(--hud-font);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: opacity 0.6s ease;
}

.dv-pano-loading i {
    display: block;
    width: 160px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent) 0 0 / 50% 100% no-repeat, rgba(255, 255, 255, 0.08);
    animation: dvLoadBar 1.2s linear infinite;
}

@keyframes dvLoadBar {
    from { background-position: -100% 0, 0 0; }
    to { background-position: 200% 0, 0 0; }
}

.dv-pano.is-ready .dv-pano-loading { opacity: 0; pointer-events: none; }
.dv-pano.is-failed .dv-pano-loading { color: #ff7777; }

.dv-pano-hud {
    position: absolute;
    inset: 0;
    pointer-events: none;
    font-family: var(--hud-font);
    color: rgba(255, 255, 255, 0.9);
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
}

.dv-pano.is-ready .dv-pano-hud { opacity: 1; }

.dv-pano-compass {
    position: absolute;
    top: 18px;
    left: 50%;
    width: min(360px, 70%);
    height: 34px;
    transform: translateX(-50%);
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    mask-image: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
}

.dv-pano-compass-tape {
    position: absolute;
    top: 4px;
    left: 50%;
    display: flex;
    white-space: nowrap;
    will-change: transform;
}

.dv-pano-compass-tape span {
    width: 64px;
    flex: 0 0 64px;
    margin-left: -32px;
    margin-right: 32px;
    text-align: center;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
}

.dv-pano-compass-tape span.major {
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

.dv-pano-compass::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    border: 6px solid transparent;
    border-bottom-color: var(--accent-color);
    transform: translateX(-50%);
}

.dv-pano-hdg {
    position: absolute;
    top: 58px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

.dv-pano-reticle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 22px;
    height: 22px;
    transform: translate(-50%, -50%);
}

.dv-pano-reticle::before,
.dv-pano-reticle::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
}

.dv-pano-reticle::before { top: 50%; left: 0; right: 0; height: 1px; }
.dv-pano-reticle::after { left: 50%; top: 0; bottom: 0; width: 1px; }

.dv-pano-frame {
    position: absolute;
    inset: 18% 22%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 4px;
}

.dv-pano-readout {
    position: absolute;
    top: 20px;
    left: 22px;
    display: grid;
    gap: 0.2rem;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.7);
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.9);
}

.dv-pano-readout b {
    color: #fff;
    margin-left: 0.3rem;
}

.dv-pano-live {
    position: absolute;
    top: 20px;
    right: 22px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.9);
}

.dv-pano-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 40px);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.7);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    white-space: nowrap;
    transition: opacity 0.5s ease;
    animation: dvHintNudge 2.4s ease-in-out infinite;
}

@keyframes dvHintNudge {
    0%, 100% { transform: translate(-50%, 40px); }
    50% { transform: translate(calc(-50% + 14px), 40px); }
}

.dv-pano.has-interacted .dv-pano-hint { opacity: 0; }

.dv-pano-controls {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    /* Solid instead of backdrop-blurred: a blur over the live WebGL canvas is recomputed every frame */
    background: rgba(5, 8, 12, 0.85);
    opacity: 0;
    transition: opacity 0.6s ease;
}

.dv-pano.is-ready .dv-pano-controls { opacity: 1; }

.dv-pano-controls button {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font: 600 1.1rem 'Outfit', sans-serif;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.dv-pano-controls button[hidden] { display: none; }

.dv-pano-controls button:hover,
.dv-pano-controls button.is-on {
    color: var(--accent-color);
    border-color: var(--accent-line);
}

.dv-pano-controls .dv-shutter {
    width: 58px;
    height: 58px;
    margin: 0 0.3rem;
    border: 3px solid #fff;
    background: transparent;
}

.dv-shutter span {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #ff3b3b;
    transition: transform 0.15s ease;
}

.dv-shutter:hover span { transform: scale(0.9); }
.dv-shutter:active span { transform: scale(0.75); }

.dv-pano-flash {
    position: absolute;
    inset: 0;
    background: #fff;
    opacity: 0;
    pointer-events: none;
}

.dv-pano-flash.is-firing {
    animation: dvFlash 0.45s ease-out;
}

@keyframes dvFlash {
    0% { opacity: 0.9; }
    100% { opacity: 0; }
}

.dv-pano:fullscreen,
.dv-pano.is-pseudo-fullscreen {
    height: 100%;
    border-radius: 0;
    border: 0;
}

.dv-pano.is-pseudo-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 11500;
    height: 100vh;
}

.dv-pano:fullscreen .dv-pano-canvas,
.dv-pano.is-pseudo-fullscreen .dv-pano-canvas {
    touch-action: none;
}

.dv-shots {
    display: flex;
    gap: 1rem;
    margin-top: 1.4rem;
    min-height: 92px;
    overflow-x: auto;
    padding-bottom: 0.4rem;
    scrollbar-width: thin;
}

.dv-shots-empty {
    margin: auto;
    font: 600 0.72rem var(--hud-font);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.dv-shots-empty i {
    color: #ff3b3b;
    margin-right: 0.4rem;
}

.dv-shot {
    position: relative;
    flex: 0 0 auto;
    width: 150px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    text-decoration: none;
    animation: dvShotIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.dv-shot:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.dv-shot img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.dv-shot span {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.3rem 0.5rem;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.85), transparent);
    font: 600 0.58rem var(--hud-font);
    letter-spacing: 0.08em;
    display: flex;
    justify-content: space-between;
}

@keyframes dvShotIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.8); }
}

@media (max-width: 600px) {
    .dv-pano { height: 62vh; border-radius: 20px; }
    .dv-pano-frame { inset: 22% 10%; }
    .dv-pano-readout { font-size: 0.58rem; }
    .dv-pano-compass { top: 74px; width: 80%; }
    .dv-pano-hdg { top: 112px; }
    .dv-pano-live { font-size: 0.58rem; }
    .dv-pano-controls { gap: 0.3rem; }
    .dv-pano-controls button { width: 36px; height: 36px; }
    .dv-pano-controls .dv-shutter { width: 52px; height: 52px; }
    .dv-shutter span { width: 36px; height: 36px; }
}

/* --------------------------------------------------------------------------
   Final call to action
   -------------------------------------------------------------------------- */
.dv-cta {
    position: relative;
    padding: 140px 0 120px;
    text-align: center;
    overflow: hidden;
}

.dv-cta-radar {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(900px, 140vw);
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background:
        repeating-radial-gradient(circle, transparent 0 79px, var(--accent-soft) 79px 80px),
        radial-gradient(circle, var(--accent-soft), transparent 60%);
    mask-image: radial-gradient(circle, #000 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 70%);
    pointer-events: none;
}

.dv-cta-radar::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent-line), transparent 60deg);
    animation: radarSweep 6s linear infinite;
    opacity: 0.6;
}

.dv-cta .container {
    position: relative;
}

.dv-cta h2 {
    font-size: clamp(2.6rem, 7vw, 5rem);
    line-height: 1.05;
    margin: 0.6rem 0 1.2rem;
}

.dv-cta p {
    max-width: 560px;
    margin: 0 auto 2.4rem;
    color: var(--text-secondary);
    font-size: 1.15rem;
}

.dv-cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-ghost {
    padding: 1.2rem 2.6rem;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    font-weight: 600;
}

.btn-ghost:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* --------------------------------------------------------------------------
   Misc
   -------------------------------------------------------------------------- */
.dv-decoding {
    font-variant-numeric: tabular-nums;
}

.btn {
    will-change: transform;
}

.section-kicker {
    display: block;
    margin-bottom: 0.8rem;
    font: 600 0.72rem var(--hud-font);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent-color);
}

@media (prefers-reduced-motion: reduce) {
    .dv-boot-grid,
    .dv-boot-radar span,
    .dv-cta-radar::after,
    .dv-mission:hover::after,
    .dv-pano-hint,
    .dv-airborne .dv-hero-bg {
        animation: none;
    }

    .dv-ascent-captions p { transition: none; }
}

/* --------------------------------------------------------------------------
   Services orbit around the drone
   -------------------------------------------------------------------------- */
.dv-orbit {
    --rx: 400px;
    --ry: 80px;
    --orbit-y: 54%;
    position: relative;
    height: 780px;
    margin-top: 1rem;
    overflow: hidden;
    border-radius: 32px;
    background:
        radial-gradient(ellipse at 50% 55%, var(--accent-soft), transparent 55%),
        radial-gradient(ellipse at 50% 120%, rgba(255, 255, 255, 0.05), transparent 60%);
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
    cursor: grab;
}

.dv-orbit.is-dragging {
    cursor: grabbing;
}

.dv-orbit-path {
    position: absolute;
    top: var(--orbit-y);
    left: 50%;
    width: calc(var(--rx) * 2);
    height: calc(var(--ry) * 2);
    transform: translate(-50%, -50%);
    border: 1px solid var(--accent-line);
    border-radius: 50%;
    box-shadow: 0 0 30px var(--accent-soft), inset 0 0 30px var(--accent-soft);
    pointer-events: none;
}

.dv-orbit-path--inner {
    width: calc(var(--rx) * 1.3);
    height: calc(var(--ry) * 1.3);
    border-style: dashed;
    border-color: color-mix(in srgb, var(--accent-color) 30%, transparent);
    box-shadow: none;
    animation: dvOrbitSpin 30s linear infinite;
}

@keyframes dvOrbitSpin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.dv-orbit-drone {
    position: absolute;
    top: 27%;
    left: 50%;
    z-index: 50;
    width: min(640px, 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.dv-orbit-drone img {
    display: block;
    width: 100%;
    filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.6));
    animation: dvHover 5s ease-in-out infinite;
}

.dv-orbit-glow {
    position: absolute;
    left: 20%;
    right: 20%;
    bottom: -40%;
    height: 40%;
    border-radius: 50%;
    background: radial-gradient(ellipse, var(--accent-line), transparent 70%);
    filter: blur(12px);
    animation: dvGlow 5s ease-in-out infinite;
}

@keyframes dvHover {
    0%, 100% { translate: 0 0; rotate: -1deg; }
    50% { translate: 0 -16px; rotate: 1deg; }
}

@keyframes dvGlow {
    0%, 100% { opacity: 0.9; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.dv-orbit-cards {
    position: absolute;
    inset: 0;
    perspective: 1200px;
}

.service-card.dv-orbit-card {
    position: absolute;
    top: var(--orbit-y);
    left: 50%;
    width: 270px;
    padding: 1.6rem;
    background: rgba(10, 14, 20, 0.9);
    backdrop-filter: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    will-change: transform, opacity;
    cursor: pointer;
}

.dv-orbit-card p {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.4s ease;
}

.dv-orbit-card h3 {
    margin-bottom: 0;
}

.dv-orbit-card.is-front {
    border-color: var(--accent-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px var(--accent-soft);
}

.dv-orbit-card.is-front h3 {
    margin-bottom: 0.75rem;
}

.dv-orbit-card.is-front p {
    max-height: 10rem;
    opacity: 1;
}

.dv-orbit-card.is-front .service-icon {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-line);
}

.dv-orbit-card:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

.dv-orbit-controls {
    position: absolute;
    left: 50%;
    bottom: 22px;
    z-index: 120;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.4rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(5, 8, 12, 0.75);
    backdrop-filter: blur(10px);
}

.dv-orbit-btn {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.dv-orbit-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-line);
}

.dv-orbit-status {
    min-width: 13rem;
    text-align: center;
    font: 600 0.68rem var(--hud-font);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

@media (max-width: 600px) {
    .dv-orbit {
        --orbit-y: 50%;
        height: 600px;
        border-radius: 24px;
    }

    .dv-orbit-drone {
        top: 20%;
        width: 100%;
    }

    .dv-orbit-controls { bottom: 12px; }

    .service-card.dv-orbit-card {
        width: 196px;
        padding: 1.1rem;
    }

    .dv-orbit-card h3 { font-size: 1.1rem; }
    .dv-orbit-card p { font-size: 0.9rem; }
    .dv-orbit-card .service-icon { width: 2.8rem; height: 2.8rem; font-size: 1.2rem; margin-bottom: 1rem; }
    .dv-orbit-status { min-width: 0; max-width: 10rem; font-size: 0.6rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* --------------------------------------------------------------------------
   Fleet inspection frame: camera zoom + wind test
   -------------------------------------------------------------------------- */
.dv-feature-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.6rem;
    font: 600 0.65rem var(--hud-font);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.feature-card[data-drone-highlight]:hover .dv-feature-hint,
.feature-card.is-inspecting .dv-feature-hint {
    color: var(--accent-color);
}

.feature-card.is-inspecting {
    border-color: var(--accent-color);
    box-shadow: 0 0 30px var(--accent-soft);
}

.dv-inspect {
    --tilt: 0deg;
    --beam: 0deg;
    position: relative;
    aspect-ratio: 1 / 0.92;
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid var(--accent-line);
    background:
        radial-gradient(circle at 50% 50%, var(--accent-soft), transparent 62%),
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 40px 40px,
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 40px 40px,
        #070a0e;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

.dv-wind-canvas {
    position: absolute;
    inset: 0;
    z-index: 3;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Camera centre in the PNG is at 43.75% / 54.3%; the camera mode translate
   moves that point to the middle of the frame while scaling around it. */
.dv-inspect-drone {
    position: absolute;
    top: 50%;
    left: 4%;
    z-index: 2;
    width: 92%;
    aspect-ratio: 20 / 7;
    transform: translate(0, -50%);
    transform-origin: 43.75% 54.3%;
    transition: transform 1.1s cubic-bezier(0.65, 0, 0.25, 1), opacity 0.5s ease;
}

.dv-inspect[data-mode="camera"] .dv-inspect-drone {
    transform: translate(6.25%, -54.3%) scale(3.5);
}

.dv-inspect[data-mode="wind"] .dv-inspect-drone {
    transform: translate(0, -50%) scale(1.3);
}

.dv-inspect-float {
    position: absolute;
    inset: 0;
    /* Tilt comes from JS, so the bob animation only touches translate */
    rotate: var(--tilt);
    animation: dvBob 6s ease-in-out infinite;
}

@keyframes dvBob {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -12px; }
}

.dv-inspect[data-mode="camera"] .dv-inspect-float {
    animation: none;
}

.dv-inspect[data-mode="wind"] .dv-inspect-float {
    animation: dvHoldShake 0.35s ease-in-out infinite;
}

@keyframes dvHoldShake {
    0%, 100% { translate: 0 0; }
    25% { translate: 0.6px -0.8px; }
    75% { translate: -0.6px 0.6px; }
}

.dv-inspect-float img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 25px 35px rgba(0, 0, 0, 0.6));
}

.dv-rotor {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 27%;
    aspect-ratio: 1;
    transform: translate(-50%, -50%) scaleY(0.24);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.dv-rotor::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, rgba(255, 255, 255, 0.35), transparent 25%, rgba(255, 255, 255, 0.3) 50%, transparent 75%, rgba(255, 255, 255, 0.35));
    animation: spin 0.12s linear infinite;
}

.dv-rotor::after {
    content: '';
    position: absolute;
    inset: -4%;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 24px var(--accent-color);
    animation: dvRotorPulse 1.4s ease-in-out infinite;
}

@keyframes dvRotorPulse {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.35; }
}

.dv-inspect[data-mode="wind"] .dv-rotor {
    opacity: 1;
}

.dv-inspect-hud {
    position: absolute;
    inset: 16px;
    z-index: 4;
    pointer-events: none;
    font-family: var(--hud-font);
    color: rgba(255, 255, 255, 0.9);
}

.dv-inspect-hud .dv-vf-corner {
    width: 26px;
    height: 26px;
    border-color: var(--accent-line);
}

.dv-inspect-label {
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    background: rgba(5, 8, 12, 0.7);
    border: 1px solid var(--glass-border);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    white-space: nowrap;
}

.dv-inspect-hint {
    position: absolute;
    left: 50%;
    bottom: 22px;
    z-index: 4;
    transform: translateX(-50%);
    width: max-content;
    max-width: calc(100% - 40px);
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: rgba(5, 8, 12, 0.7);
    font: 600 0.65rem var(--hud-font);
    letter-spacing: 0.08em;
    text-align: center;
    color: var(--text-secondary);
    transition: opacity 0.4s ease;
}

.dv-inspect-hint b {
    color: var(--accent-color);
}

.dv-inspect:not([data-mode="idle"]) .dv-inspect-hint {
    opacity: 0;
}

.dv-cam-overlay,
.dv-wind-overlay {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.dv-inspect[data-mode="camera"] .dv-cam-overlay {
    opacity: 1;
    transition-delay: 0.7s;
}

.dv-inspect[data-mode="wind"] .dv-wind-overlay {
    opacity: 1;
    transition-delay: 0.4s;
}

/* Autofocus brackets that close in and lock on the lens */
.dv-focus {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 70%;
    transform: translate(-50%, -50%);
    transition: width 0.6s cubic-bezier(0.2, 1.4, 0.4, 1), height 0.6s cubic-bezier(0.2, 1.4, 0.4, 1);
}

.dv-inspect[data-mode="camera"] .dv-focus {
    width: 46%;
    height: 50%;
    transition-delay: 0.9s;
}

.dv-focus span {
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2px solid #4dff88;
    filter: drop-shadow(0 0 6px #4dff88);
}

.dv-focus span:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.dv-focus span:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.dv-focus span:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.dv-focus span:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.dv-focus-tag {
    position: absolute;
    top: 21%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: #4dff88;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.9);
}

.dv-cam-specs {
    position: absolute;
    left: 6px;
    right: 6px;
    bottom: 6px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
    list-style: none;
}

.dv-cam-specs li {
    padding: 0.5rem 0.4rem;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    background: rgba(5, 8, 12, 0.78);
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.dv-inspect[data-mode="camera"] .dv-cam-specs li { opacity: 1; transform: none; }
.dv-inspect[data-mode="camera"] .dv-cam-specs li:nth-child(1) { transition-delay: 1.1s; }
.dv-inspect[data-mode="camera"] .dv-cam-specs li:nth-child(2) { transition-delay: 1.2s; }
.dv-inspect[data-mode="camera"] .dv-cam-specs li:nth-child(3) { transition-delay: 1.3s; }
.dv-inspect[data-mode="camera"] .dv-cam-specs li:nth-child(4) { transition-delay: 1.4s; }

.dv-cam-specs span {
    display: block;
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.dv-cam-specs b {
    font-size: 0.75rem;
}

.dv-wind-panel {
    position: absolute;
    top: 42px;
    left: 6px;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    background: rgba(5, 8, 12, 0.78);
}

.dv-wind-arrow {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--accent-line);
    color: var(--accent-color);
    transition: transform 0.8s ease;
}

.dv-wind-panel small {
    display: block;
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.dv-wind-panel small b {
    color: var(--text-primary);
}

.dv-wind-panel strong {
    font-size: 1.1rem;
}

.dv-wind-panel strong b {
    font-variant-numeric: tabular-nums;
}

.dv-hold-box {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30%;
    height: 22%;
    transform: translate(-50%, -50%);
    border: 1px dashed #4dff88;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(77, 255, 136, 0.2);
}

.dv-hold-box::before,
.dv-hold-box::after {
    content: '';
    position: absolute;
    background: #4dff88;
}

.dv-hold-box::before { top: 50%; left: 50%; width: 14px; height: 1px; margin-left: -7px; }
.dv-hold-box::after { left: 50%; top: 50%; width: 1px; height: 14px; margin-top: -7px; }

.dv-wind-status {
    position: absolute;
    left: 6px;
    right: 6px;
    bottom: 6px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
}

.dv-wind-status span {
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(5, 8, 12, 0.78);
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.dv-wind-status span:first-child {
    color: #4dff88;
    border-color: rgba(77, 255, 136, 0.4);
}

@media (max-width: 992px) {
    .dv-inspect-col {
        order: -1;
        width: 100%;
        max-width: 560px;
        margin: 0 auto;
    }
}

@media (max-width: 600px) {
    .dv-inspect { aspect-ratio: 1 / 1; border-radius: 22px; }
    .dv-cam-specs { grid-template-columns: repeat(2, 1fr); }
    .dv-wind-panel { top: 38px; }
    .dv-hold-box { width: 40%; }
}

/* Weight mode: two-pan balance */

.dv-inspect[data-mode="weight"] .dv-inspect-drone {
    opacity: 0;
    transform: translate(0, -110%) scale(0.6);
}

.dv-scale {
    position: absolute;
    inset: 0;
    z-index: 5;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.dv-inspect[data-mode="weight"] .dv-scale {
    opacity: 1;
    transition-delay: 0.25s;
}

.dv-scale-stage {
    position: absolute;
    top: 13%;
    left: 50%;
    width: 66%;
    height: 50%;
    transform: translateX(-50%);
}

.dv-scale-post {
    position: absolute;
    top: 22%;
    bottom: 0;
    left: 50%;
    width: 6px;
    margin-left: -3px;
    border-radius: 3px;
    background: linear-gradient(90deg, #6b7684, #d7dee7, #6b7684);
}

.dv-scale-post::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    width: 18px;
    height: 18px;
    margin-left: -9px;
    border-radius: 50%;
    background: var(--accent-gradient);
    box-shadow: 0 0 16px var(--accent-color);
    z-index: 2;
}

.dv-scale-post::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 110px;
    height: 12px;
    margin-left: -55px;
    border-radius: 8px 8px 4px 4px;
    background: linear-gradient(#cfd8e3, #6b7684);
}

.dv-scale-beam {
    position: absolute;
    top: 22%;
    left: 0;
    right: 0;
    height: 6px;
    margin-top: -3px;
    border-radius: 3px;
    background: var(--accent-gradient);
    box-shadow: 0 0 14px var(--accent-soft);
    rotate: var(--beam);
}

.dv-scale-hanger {
    position: absolute;
    top: 3px;
    width: 170px;
    height: 140px;
    transform: translateX(-50%) rotate(calc(var(--beam) * -1));
    transform-origin: 50% 0;
}

.dv-scale-hanger--left { left: 0; }
.dv-scale-hanger--right { left: 100%; }

.dv-scale-strings {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 75%;
    overflow: visible;
}

.dv-scale-strings path {
    fill: none;
    stroke: rgba(255, 255, 255, 0.45);
    stroke-width: 1.5;
    vector-effect: non-scaling-stroke;
}

.dv-scale-pan {
    position: absolute;
    top: 75%;
    left: 0;
    right: 0;
    height: 9px;
    border-radius: 4px 4px 60px 60px;
    background: linear-gradient(#e3e9f0, #7d8794);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.5);
}

/* Both loads sit on the top edge of the pan */
.dv-scale-drone,
.dv-scale-item {
    position: absolute;
    bottom: calc(25% - 2px);
    left: 50%;
}

.dv-scale-drone {
    width: 135%;
    transform: translate(-50%, -90px);
    opacity: 0;
    filter: drop-shadow(0 8px 10px rgba(0, 0, 0, 0.5));
    transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.dv-scale.has-drone .dv-scale-drone {
    transform: translate(-50%, 6%);
    opacity: 1;
}

.dv-scale-item {
    font-size: 3rem;
    line-height: 1;
    transform: translateX(-50%);
    filter: drop-shadow(0 6px 8px rgba(0, 0, 0, 0.5));
}

.dv-scale-item img,
.dv-scale-objects button span img {
    display: block;
    height: 1.15em;
    width: auto;
}

.dv-scale-item.is-dropping {
    animation: dvDrop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dvDrop {
    from { transform: translate(-50%, -80px); opacity: 0; }
}

.dv-scale-read {
    position: absolute;
    top: calc(75% + 16px);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(5, 8, 12, 0.8);
    font: 700 0.8rem var(--hud-font);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.dv-scale-hanger--left .dv-scale-read {
    color: var(--accent-color);
    border-color: var(--accent-line);
}

.dv-scale-verdict {
    position: absolute;
    left: 6%;
    right: 6%;
    bottom: 104px;
    text-align: center;
    font-size: 1rem;
    line-height: 1.35;
}

.dv-scale-verdict b {
    color: var(--accent-color);
}

.dv-scale-verdict small {
    display: block;
    margin-top: 0.35rem;
    font: 600 0.62rem var(--hud-font);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.dv-scale-verdict small::before {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 0.45rem;
    border-radius: 50%;
    background: #4dff88;
    box-shadow: 0 0 8px #4dff88;
}

.dv-scale-objects {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.dv-inspect[data-mode="weight"] .dv-scale-objects {
    pointer-events: auto;
}

.dv-scale-objects button {
    width: 66px;
    padding: 0.4rem 0 0.35rem;
    display: grid;
    justify-items: center;
    gap: 0.15rem;
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    background: rgba(5, 8, 12, 0.78);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.dv-scale-objects button span {
    font-size: 1.6rem;
    line-height: 1.1;
}

.dv-scale-objects button small {
    font: 600 0.55rem var(--hud-font);
    letter-spacing: 0.05em;
}

.dv-scale-objects button:hover {
    transform: translateY(-3px);
    border-color: var(--accent-line);
}

.dv-scale-objects button[aria-pressed="true"] {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 18px var(--accent-soft);
}

.dv-scale-objects button:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

@media (max-width: 600px) {
    .dv-scale-stage { top: 15%; width: 58%; height: 38%; }
    .dv-scale-hanger { width: 100px; height: 84px; }
    .dv-scale-item { font-size: 2.1rem; }
    .dv-scale-post::after { width: 80px; margin-left: -40px; }
    .dv-scale-read { top: calc(75% + 12px); font-size: 0.68rem; }
    .dv-scale-verdict { bottom: 78px; font-size: 0.8rem; }
    .dv-scale-verdict small { margin-top: 0.2rem; font-size: 0.55rem; }
    .dv-scale-objects { bottom: 14px; gap: 0.35rem; }
    .dv-scale-objects button { width: 54px; }
    .dv-scale-objects button span { font-size: 1.3rem; }
}

/* --------------------------------------------------------------------------
   FAQ (servizi)
   -------------------------------------------------------------------------- */
.dv-faq-list {
    display: grid;
    gap: 0.8rem;
    max-width: 820px;
    margin: 0 auto;
}

.dv-faq-item {
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    background: var(--card-bg);
    transition: border-color 0.3s ease;
}

.dv-faq-item[open] {
    border-color: var(--accent-line);
}

.dv-faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 1.4rem;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
}

.dv-faq-item summary::-webkit-details-marker {
    display: none;
}

.dv-faq-item summary::after {
    content: '+';
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border: 1px solid var(--accent-line);
    border-radius: 50%;
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.dv-faq-item[open] summary::after {
    transform: rotate(45deg);
}

.dv-faq-item p {
    padding: 0 1.4rem 1.3rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Phones: no live blur behind the floating HUD (it sits over moving content and costs a
   full-screen blur per frame on iOS); a more opaque background keeps it readable */
@media (hover: none) {
    .dv-hud {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(5, 8, 12, 0.9);
    }
}