:root {
    --dark: #070b16;
    --surface: rgba(13, 19, 35, 0.72);
    --surface-strong: rgba(8, 12, 21, 0.85);
    --text: #f2f4f7;
    --muted: #b0b8c9;
    --primary: #0a84ff;
    --primary-soft: #5b6bff;
    --secondary-blue: #62b0ff;
    --purple: #7a3bff;
    --magenta: #c02cff;
    --green: #25d366;
    --border: rgba(255, 255, 255, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text);
    background: #000000;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.background-stars,
.background-grid,
.background-drones {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.background-stars {
    background-image: none;
    opacity: 0;
}

.background-grid {
    background-image: none;
    opacity: 0;
}

.background-drones {
    z-index: 1;
}

.background-drones span {
    position: absolute;
    width: var(--size, 3px);
    height: var(--size, 3px);
    border-radius: 50%;
    background: radial-gradient(circle, #ffffff 0%, rgba(10,132,255,0.95) 50%, rgba(192,44,255,0.35) 100%);
    box-shadow: 0 0 20px rgba(255,255,255,0.9), 0 0 36px rgba(10,132,255,0.3);
    opacity: var(--opacity, 0.68);
    animation: droneSwarm var(--duration, 18s) ease-in-out infinite;
    animation-delay: var(--delay, 0s);
    will-change: transform;
}

.background-drones span::after {
    content: '';
    position: absolute;
    width: 160px;
    height: 2px;
    top: 50%;
    left: -160px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.75) 35%, rgba(255,255,255,0.1) 100%);
    transform-origin: right center;
    opacity: 0;
    animation: trailGlow 2.4s ease-in-out infinite;
    animation-delay: var(--delay, 0s);
    will-change: opacity, transform;
}

@keyframes trailGlow {
    0%, 100% { opacity: 0; transform: scaleX(0.4); }
    30% { opacity: 0.5; transform: scaleX(0.95); }
    50% { opacity: 0.68; transform: scaleX(1.08); }
    70% { opacity: 0.25; transform: scaleX(0.8); }
}

.background-drones::before {
    display: none;
}

@keyframes droneSwarm {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(var(--dx, 0px), var(--dy, 0px)) scale(0.82); }
}

.formation {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 1;
    opacity: 0.7;
}

.formation::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(255,255,255,0.72) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.34) 0.8px, transparent 0.8px),
        radial-gradient(circle, rgba(10,132,255,0.22) 0.9px, transparent 0.9px),
        radial-gradient(circle, rgba(192,44,255,0.18) 1px, transparent 1px);
    background-size: 14px 14px, 22px 22px, 40px 40px, 78px 78px;
    background-position: 0 0, 14px 40px, 80px 180px, 140px 100px;
    opacity: 0.58;
    filter: blur(0.2px);
    transform: scale(1.03);
    animation: swarmDrift 28s linear infinite reverse;
}

.formation-copy {
    position: relative;
    z-index: 2;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(5rem, 8vw, 9rem);
    letter-spacing: 0.24em;
    line-height: 0.9;
    color: transparent;
    -webkit-text-stroke: 0;
    text-transform: uppercase;
    background-image:
        radial-gradient(circle, #ffffff 0 1.55px, transparent 2.2px);
    background-size: 10px 10px;
    background-position: 0 0;
    background-clip: text;
    -webkit-background-clip: text;
    opacity: 0;
    animation: formationText 22s ease-in-out infinite, formationDots 2.8s linear infinite;
}

.formation-copy::after {
    display: none;
}

.formation::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 18%, rgba(255,255,255,0.18), transparent 12%),
                radial-gradient(circle at 30% 75%, rgba(122,59,255,0.1), transparent 18%),
                radial-gradient(circle at 88% 62%, rgba(10,132,255,0.14), transparent 16%);
    filter: blur(1px);
    opacity: 0.64;
}

@keyframes formationText {
    0% { opacity: 0; transform: scale(0.94) translateY(8px); }
    14% { opacity: 0.9; transform: scale(1) translateY(0); }
    22%, 40% { opacity: 1; transform: scale(1) translateY(0); }
    52% { opacity: 0.64; transform: scale(1.14) translateY(-8px); }
    62%, 76% { opacity: 0; transform: scale(1.42) translateY(-26px); }
    90% { opacity: 0.94; transform: scale(1.02) translateY(-2px); }
    100% { opacity: 0; transform: scale(0.94) translateY(8px); }
}

@keyframes formationDots {
    0%, 100% { background-position: 0 0; }
    50% { background-position: 10px -10px; }
}

@keyframes formationPulse {
    0%, 18% { opacity: 0.24; }
    25%, 45% { opacity: 0.42; }
    55%, 100% { opacity: 0.16; }
}

@keyframes swarmDrift {
    0% { transform: translate(0, 0) scale(1.02); }
    50% { transform: translate(-18px, -26px) scale(1.04); }
    100% { transform: translate(0, 0) scale(1.02); }
}

.drone-flight {
    position: absolute;
    display: block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.98) 0%, rgba(122,59,255,0.8) 40%, rgba(10,132,255,0.18) 100%);
    box-shadow: 0 0 18px rgba(255,255,255,0.85), 0 0 32px rgba(10,132,255,0.35);
    filter: drop-shadow(0 0 15px rgba(192,44,255,0.45));
    opacity: 0.95;
}

.drone-flight::after {
    content: '';
    position: absolute;
    width: 110px;
    height: 2px;
    top: 50%;
    left: -100px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.32) 50%, rgba(255,255,255,0) 100%);
    filter: blur(1px);
    transform-origin: right center;
}

.drone-a { top: 18%; left: 8%; animation: dronePathA 18s linear infinite; }
.drone-b { top: 24%; left: 72%; animation: dronePathB 16s linear infinite; }
.drone-c { top: 64%; left: 12%; animation: dronePathC 20s linear infinite; }
.drone-d { top: 52%; left: 78%; animation: dronePathD 14s linear infinite; }
.drone-e { top: 38%; left: 44%; animation: dronePathE 22s linear infinite; }

@keyframes dronePathA {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(120px, -24px) scale(1.1) rotate(12deg); }
    50% { transform: translate(230px, 18px) scale(0.95) rotate(-8deg); }
    75% { transform: translate(90px, 46px) scale(1.05) rotate(6deg); }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); }
}

@keyframes dronePathB {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(-100px, 40px) scale(1.05) rotate(-10deg); }
    50% { transform: translate(-180px, -26px) scale(0.96) rotate(8deg); }
    75% { transform: translate(-60px, -50px) scale(1.03) rotate(-4deg); }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); }
}

@keyframes dronePathC {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(140px, 18px) scale(1.02) rotate(10deg); }
    50% { transform: translate(280px, -42px) scale(0.94) rotate(-6deg); }
    75% { transform: translate(140px, -12px) scale(1.08) rotate(4deg); }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); }
}

@keyframes dronePathD {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(-120px, -32px) scale(1.06) rotate(-8deg); }
    50% { transform: translate(-260px, 20px) scale(0.96) rotate(9deg); }
    75% { transform: translate(-140px, 50px) scale(1.04) rotate(-2deg); }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); }
}

@keyframes dronePathE {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(96px, -62px) scale(1.04) rotate(14deg); }
    50% { transform: translate(184px, 28px) scale(0.94) rotate(-12deg); }
    75% { transform: translate(96px, 18px) scale(1.02) rotate(7deg); }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); }
}

@keyframes drift-stars {
    from { transform: translateY(0); }
    to { transform: translateY(-180px); }
}

@keyframes pulse-stars {
    0%, 100% { opacity: 0.82; }
    50% { opacity: 0.6; }
}

.navbar {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 10;
    padding: 1rem 2rem;
    background: rgba(7, 11, 20, 0.34);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    text-decoration: none;
    color: var(--text);
}

.nav-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.12);
    padding: 0.35rem;
    background: rgba(255,255,255,0.05);
}

.nav-brand-copy span {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    font-size: 0.95rem;
}

.nav-links a,
.nav-action {
    color: var(--text);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--magenta));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

.nav-action {
    padding: 0.9rem 1.8rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--magenta));
    color: #fff;
    box-shadow: 0 18px 40px rgba(10, 132, 255, 0.22);
}

.hero {
    position: relative;
    min-height: calc(100vh - 90px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem 5rem;
    z-index: 1;
}

.hero-layer {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.7;
    z-index: 1;
}

.hero-layer-1 {
    width: 420px;
    height: 420px;
    background: rgba(10, 132, 255, 0.12);
    top: 8%;
    left: 8%;
    animation: float-orb 18s ease-in-out infinite;
}

.hero-layer-2 {
    width: 360px;
    height: 360px;
    background: rgba(122, 59, 255, 0.12);
    top: 18%;
    right: 10%;
    animation: float-orb 20s ease-in-out infinite reverse;
}

.hero-layer-3 {
    width: 520px;
    height: 520px;
    background: rgba(91, 107, 255, 0.08);
    bottom: 10%;
    left: 35%;
    animation: float-orb 22s ease-in-out infinite;
}

@keyframes float-orb {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1320px;
    display: grid;
    grid-template-columns: minmax(260px, 320px) 1fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 0;
    background: transparent;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-logo {
    width: 100%;
    max-width: 320px;
    display: block;
    background: transparent;
    border: none;
    padding: 0;
    filter: drop-shadow(0 0 16px rgba(10,132,255,0.24)) brightness(1.04);
    transition: filter 0.3s ease;
}

.hero-logo:hover {
    filter: drop-shadow(0 0 24px rgba(10,132,255,0.32)) brightness(1.1);
}


.hero-logo img {
    display: block;
    width: 100%;
    height: auto;
}

.hero-eyebrow {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--primary);
}

.hero h1 {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
    margin-top: 0.15em;
    max-width: 640px;
    color: #f8fbff;
}

.hero-text {
    max-width: 650px;
    color: rgba(242, 244, 247, 0.86);
    line-height: 1.85;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.25rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.95rem 2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--magenta));
    color: #fff;
    box-shadow: 0 18px 40px rgba(10, 132, 255, 0.24);
}

.btn-secondary {
    border: 1px solid rgba(255,255,255,0.16);
    color: var(--text);
    background: rgba(255,255,255,0.05);
}

.hero-stage {
    position: relative;
    min-height: 520px;
    border-radius: 36px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(7, 11, 20, 0.62);
    backdrop-filter: blur(28px);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02), 0 34px 100px rgba(0, 0, 0, 0.22);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.6rem;
    padding: 2rem;
}

.hero-stage::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(10,132,255,0.15), transparent 22%),
                radial-gradient(circle at bottom right, rgba(192,44,255,0.16), transparent 28%);
    pointer-events: none;
}

.hero-stage::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 20%, rgba(255,255,255,0.08), transparent 28%),
                radial-gradient(circle at 20% 90%, rgba(122,59,255,0.1), transparent 24%);
    pointer-events: none;
}

.stage-trace {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 28%, rgba(10,132,255,0.12), transparent 24%),
                radial-gradient(circle at 80% 30%, rgba(192,44,255,0.10), transparent 20%);
    pointer-events: none;
    z-index: 1;
}

.hero-scribe {
    position: relative;
    width: 100%;
    max-width: 560px;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 2;
}

.scribe-copy {
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 6vw, 5.2rem);
    letter-spacing: 0.14em;
    color: transparent;
    -webkit-text-stroke: 1.1px rgba(255,255,255,0.82);
    text-shadow: 0 0 28px rgba(255,255,255,0.12);
    text-transform: uppercase;
    line-height: 0.92;
    z-index: 2;
    background: linear-gradient(90deg, rgba(255,255,255,0.92), rgba(255,255,255,0.18));
    background-clip: text;
    -webkit-background-clip: text;
}

.scribe-copy::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.5) 45%, rgba(255,255,255,0.12) 65%, transparent 100%);
    transform: translateX(-110%);
    animation: sweep-light 4.8s ease-in-out infinite;
    mask-image: linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%);
    z-index: 3;
}

@keyframes sweep-light {
    0%, 100% { transform: translateX(-110%); }
    50% { transform: translateX(110%); }
}

.scribe-dots {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.drone-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: radial-gradient(circle, #ffffff 0%, var(--primary) 65%, var(--magenta) 100%);
    box-shadow: 0 0 24px rgba(192, 44, 255, 0.65), 0 0 40px rgba(10,132,255,0.35);
    opacity: 0.95;
}

.drone-1 { top: 32%; left: 8%; animation: fly1 12s ease-in-out infinite alternate; }
.drone-2 { top: 20%; left: 38%; animation: fly2 10s ease-in-out infinite alternate; }
.drone-3 { top: 54%; left: 18%; animation: fly3 13s ease-in-out infinite alternate; }
.drone-4 { top: 42%; left: 64%; animation: fly4 11s ease-in-out infinite alternate; }
.drone-5 { top: 68%; left: 46%; animation: fly5 14s ease-in-out infinite alternate; }

@keyframes fly1 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(130px, -24px) scale(1.1); }
    100% { transform: translate(220px, 10px) scale(0.95); }
}

@keyframes fly2 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-100px, 18px) scale(1.06); }
    100% { transform: translate(60px, -10px) scale(0.96); }
}

@keyframes fly3 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(140px, 30px) scale(0.98); }
    100% { transform: translate(70px, -40px) scale(1.02); }
}

@keyframes fly4 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-120px, -20px) scale(1.05); }
    100% { transform: translate(-40px, 38px) scale(0.96); }
}

@keyframes fly5 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(80px, -30px) scale(1.03); }
    100% { transform: translate(150px, 20px) scale(0.94); }
}

.hero-caption {
    margin-top: 1.8rem;
    color: rgba(242, 244, 247, 0.75);
    max-width: 540px;
    line-height: 1.9;
    font-size: 0.98rem;
}

.section {
    position: relative;
    padding: 100px 2rem;
    z-index: 1;
}

.section-header {
    display: grid;
    gap: 1rem;
    max-width: 840px;
    margin: 0 auto 3rem;
    text-align: center;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--secondary-blue);
    background: rgba(10, 132, 255, 0.08);
    border: 1px solid rgba(10,132,255,0.16);
    border-radius: 999px;
    padding: 0.65rem 1rem;
    justify-self: center;
}

.section-header h2 {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
    color: #f8fbff;
}

.section-header p {
    max-width: 720px;
    margin: 0 auto;
    color: rgba(242, 244, 247, 0.74);
    line-height: 1.85;
}

.gallery-grid,
.cards-grid,
.contact-layout {
    display: grid;
    gap: 1.5rem;
}

.gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    max-width: 1320px;
    margin: 0 auto;
}

.gallery-card {
    min-height: 260px;
    margin: 0;
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(20px);
    display: grid;
    place-items: center;
    color: rgba(242, 244, 247, 0.7);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.gallery-card img,
.gallery-card video {
    width: 100%;
    height: 100%;
    min-height: 260px;
    display: block;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.gallery-card video {
    background: #070b18;
}

.gallery-photo img {
    cursor: zoom-in;
}

.gallery-card::after {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: 28px;
    padding: 1px;
    background: linear-gradient(180deg, rgba(10,132,255,0.1), rgba(192,44,255,0.12));
    mask: linear-gradient(#fff 0 0);
    pointer-events: none;
    z-index: 2;
}

.cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.feature-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 28px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 18px 45px rgba(0,0,0,0.18);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(122, 59, 255, 0.22);
}

.feature-card h3 {
    font-size: 1.45rem;
    margin-bottom: 1rem;
    color: #fff;
}

.feature-card p {
    color: rgba(242, 244, 247, 0.78);
    line-height: 1.85;
}

.card-kicker {
    display: inline-block;
    margin-bottom: 0.85rem;
    color: var(--secondary-blue);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.process-list {
    display: grid;
    gap: 1rem;
    padding: 0;
    list-style: none;
    counter-reset: process;
}

.process-list li {
    counter-increment: process;
    position: relative;
    padding-left: 2.75rem;
    color: rgba(242, 244, 247, 0.76);
    font-size: 0.92rem;
    line-height: 1.65;
}

.process-list li::before {
    content: counter(process, decimal-leading-zero);
    position: absolute;
    top: 0;
    left: 0;
    color: var(--secondary-blue);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.process-list strong {
    color: #fff;
}

.event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.5rem;
}

.event-tags span {
    padding: 0.55rem 0.8rem;
    border: 1px solid rgba(98, 176, 255, 0.26);
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.08);
    color: rgba(242, 244, 247, 0.9);
    font-size: 0.8rem;
}

.faq-list {
    display: grid;
    gap: 0.9rem;
    width: min(920px, 100%);
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(18px);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.35rem 1.5rem;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

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

.faq-item summary::after {
    content: '+';
    color: var(--secondary-blue);
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 1.5rem 1.4rem;
    color: rgba(242, 244, 247, 0.75);
    line-height: 1.8;
}

.contact-layout {
    grid-template-columns: minmax(0, 1000px);
    align-items: start;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-panel,
.contact-form {
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    border-radius: 28px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.16);
}

.contact-panel {
    display: grid;
    gap: 1.5rem;
    align-content: start;
}

.whatsapp-direct {
    display: grid;
    justify-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    border-radius: 24px;
    color: #fff;
    text-align: center;
    text-decoration: none;
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.38);
    transition: transform 0.25s ease, background 0.25s ease;
}

.whatsapp-direct:hover {
    transform: translateY(-4px);
    background: rgba(37, 211, 102, 0.18);
}

.whatsapp-direct img {
    width: 62px;
    height: 62px;
}

.whatsapp-direct span {
    font-weight: 600;
}

.contact-toggle {
    padding: 0.9rem 1rem;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 14px;
    color: rgba(242, 244, 247, 0.9);
    background: transparent;
    font: inherit;
    cursor: pointer;
}

.contact-details {
    display: grid;
    gap: 0.9rem;
}

.contact-info {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 24px;
    padding: 1.25rem 1.5rem;
}

.contact-info p {
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(242, 244, 247, 0.62);
}

.contact-info strong {
    display: block;
    margin-top: 0.65rem;
    font-size: 1.05rem;
    color: #fff;
}

.contact-panel .btn.outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: none;
    color: #fff;
}

.contact-form .input-group {
    display: grid;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.form-row,
.form-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.form-actions {
    margin-top: 0.5rem;
}

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

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.9);
}

.lightbox[hidden] {
    display: none;
}

.lightbox img {
    max-width: min(1100px, 92vw);
    max-height: 88vh;
    object-fit: contain;
    border-radius: 18px;
}

.lightbox-close {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    color: #fff;
    background: rgba(255,255,255,0.14);
    font-size: 2rem;
    cursor: pointer;
}

.contact-form label {
    color: rgba(242, 244, 247, 0.75);
    font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    color: #f5f7fb;
    padding: 1rem 1.2rem;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(122, 59, 255, 0.55);
    box-shadow: 0 0 0 4px rgba(122, 59, 255, 0.12);
}

.footer {
    text-align: center;
    padding: 2rem;
    color: rgba(242, 244, 247, 0.7);
    border-top: 1px solid rgba(255,255,255,0.08);
    background: rgba(7, 11, 20, 0.22);
    backdrop-filter: blur(24px);
}

.footer-socials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-socials a {
    padding: 0.55rem 0.9rem;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 999px;
    color: rgba(242, 244, 247, 0.88);
    font-size: 0.82rem;
    text-decoration: none;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.footer-socials a:hover {
    border-color: rgba(98,176,255,0.65);
    background: rgba(10,132,255,0.12);
    color: #fff;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 2rem;
    transform: translateX(-50%);
    padding: 1rem 1.5rem;
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.96);
    color: #ffffff;
    opacity: 0;
    pointer-events: none;
    z-index: 20;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px);
}

@media (max-width: 980px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero-brand {
        align-items: center;
    }

    .hero-copy {
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 720px) {
    .navbar {
        padding: 1rem;
    }

    .nav-inner {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .nav-action {
        order: 2;
    }

    .hero {
        padding-top: 2rem;
    }

    .hero-stage {
        min-height: 420px;
        padding: 1.5rem;
    }

    .hero-copy h1 {
        font-size: 2.8rem;
    }

    .hero-text {
        font-size: 1rem;
    }

    .section {
        padding: 80px 1.5rem;
    }

    .formation-copy {
        font-size: clamp(2.45rem, 10vw, 4.5rem);
        letter-spacing: 0.12em;
    }

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

    .gallery-card,
    .gallery-card img,
    .gallery-card video {
        min-height: 0;
    }

    .gallery-card {
        aspect-ratio: 4 / 3;
    }

    .faq-item summary,
    .faq-item p {
        padding-left: 1.15rem;
        padding-right: 1.15rem;
    }

    .contact-form,
    .contact-panel {
        padding: 1.4rem;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 16px;
    }

    .form-row,
    .form-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 420px) {
    .navbar {
        padding: 0.85rem 0.75rem;
    }

    .nav-brand-copy {
        display: none;
    }

    .nav-links {
        gap: 0.6rem 0.85rem;
        font-size: 0.78rem;
    }

    .nav-action {
        padding: 0.7rem 1rem;
        font-size: 0.84rem;
    }

    .hero,
    .section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero h1 {
        font-size: clamp(2.25rem, 12vw, 3rem);
    }

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

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

    .gallery-card {
        aspect-ratio: 16 / 10;
    }

    .section-header h2 {
        font-size: 2.15rem;
    }
}