:root {
    --brand: #0d7377;
    --brand-light: #14a085;

    --dark: #0a1628;
    --light: #f0f4f8;
    --text: #1f2937;
    --muted: #6b7280;
    --card-bg: rgba(255,255,255,0.85);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}


/* ============ ANIMATED HERO BACKGROUND ============ */
.hero {
    position: relative;
    min-height: 89vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    overflow: hidden;
    background: var(--dark);
}
.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.12);
    color: #fff;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-size: 1.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 1.5rem;
    animation: fadeInDown 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
    position: relative;
    overflow: hidden;
}
.hero-badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: conic-gradient(from 0deg, transparent, var(--brand-light), transparent 30%);
    animation: rotateBorder 4s linear infinite;
    border-radius: 50px;
    z-index: -1;
}
.hero-badge-inner {
    background: rgba(10,22,40,0.9);
    border-radius: 50px;
    padding: 0.4rem 1.2rem;
    position: relative;
    z-index: 1;
}
.hero-badge .dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
.hero h1 {
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.05;
    margin-bottom: 1.2rem;
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
    min-height: 1.2em;
}
.hero h1 .typed-text {
    background: linear-gradient(135deg, var(--brand-light), #2ecc71, var(--brand-light));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}
.hero .cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: var(--brand-light);
    margin-left: 4px;
    animation: blink 0.8s step-end infinite;
    vertical-align: text-bottom;
}
.hero p.lead {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: rgba(255,255,255,0.75);
    font-weight: 300;
    max-width: 650px;
    margin: 0 auto 2.5rem;
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.6s both;
    line-height: 1.7;
}
.hero-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.9s both;
}
.hero-meta span {
    color: rgba(255,255,255,0.55);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s;
}
.hero-meta span:hover { color: var(--brand-light); }
.scroll-down {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2.5s infinite ease-in-out;
    cursor: pointer;
    width: 44px; height: 44px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.scroll-down:hover {
    border-color: var(--brand-light);
    background: rgba(255,255,255,0.05);
}
.scroll-down svg { stroke: rgba(255,255,255,0.5); width: 20px; height: 20px; }

.logo-container{
    padding: 5px 5px;
}
.logo-container img {
    height: 40px;

}
.site-header{
    display: flex;
    justify-content: space-between; /* Separa la imagen (izquierda) del nav (derecha) */
    align-items: center;    /* Centra los elementos de forma vertical */
    /* background-color: #2c3e50; */
    padding: 1px 20px;
}
.menu-nav ul{
    list-style: none; /* Quita los puntos de la lista */
    display: flex;    /* Pone los enlaces en fila */
    margin: 0;
    padding: 0;
    gap: 10px;        /* Espacio entre los enlaces */
}

/* ============ NAVBAR ============ */

nav.visible { transform: translateY(0); }
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    font-weight: 800;
    font-size: 1.3rem;
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    position: relative;
}
.nav-logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
    transition: width 0.3s;
}
.nav-logo:hover::after { width: 100%; }
.nav-links {
    display: flex;
    gap: 2.2rem;
    list-style: none;
}
.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    font-size: 0.88rem;
    transition: all 0.3s;
    position: relative;
    padding: 0.3rem 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
    transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-links a:hover { color: var(--brand); }
.nav-links a:hover::after { width: 100%; }

/* ============ SECTIONS ============ */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem;
    position: relative;
}
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.7rem;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.section-header h2.visible {
    opacity: 1;
    transform: translateY(0);
}
.section-header p {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}
.section-header p.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ VALUE CARDS ============ */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    perspective: 1000px;
}
.value-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.2rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.5);
    backdrop-filter: blur(10px);
    opacity: 1;
    transform: translateY(0) rotateX(0);
}
.value-card.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}
.value-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--brand), var(--brand-light));
    transform: scaleY(0);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.value-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255,255,255,0.1) 50%,
        transparent 60%
    );
    transform: translateX(-100%) rotate(45deg);
    transition: transform 0.8s;
}
.value-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    border-color: rgba(13,115,119,0.15);
}
.value-card:hover::before { transform: scaleY(1); }
.value-card:hover::after { transform: translateX(100%) rotate(45deg); }
.value-card .num {
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(13,115,119,0.06);
    position: absolute;
    top: 0.3rem;
    right: 1.2rem;
    transition: color 0.3s;
}
.value-card:hover .num {
    color: rgba(13,115,119,0.12);
}
.value-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.6rem;
}
.value-card p {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.65;
}

/* Counter animation */
.counter {
    font-variant-numeric: tabular-nums;
}

/* ============ MV CARDS ============ */
.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
@media (max-width: 768px) { .mv-grid { grid-template-columns: 1fr; } }

.mv-card {
    background: linear-gradient(135deg, var(--card-bg), #f8fafc);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
    border: 1px solid rgba(255,255,255,0.6);
    backdrop-filter: blur(10px);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.mv-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.mv-card.mv-mision { transition-delay: 0s; }
.mv-card.mv-vision { transition-delay: 0.15s; }
.mv-card.mv-mision::after {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(13,115,119,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}
.mv-card.mv-vision::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -80px;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(243,156,18,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite reverse;
}
.mv-icon {
    width: 64px; height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.4rem;
    position: relative;
    z-index: 1;
}
.mv-mision .mv-icon {
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    color: #fff;
    box-shadow: 0 8px 24px rgba(13,115,119,0.35);
}
.mv-vision .mv-icon {
    background: linear-gradient(135deg, var(--accent), #e67e22);
    color: #fff;
    box-shadow: 0 8px 24px rgba(243,156,18,0.35);
}
.mv-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.9rem;
}
.mv-card p {
    font-size: 1.02rem;
    color: var(--muted);
    line-height: 1.75;
    position: relative;
    z-index: 1;
}

/* ============ INDUSTRIES ============ */
.industries {
    background: linear-gradient(180deg, var(--light) 0%, #fff 100%);
}
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    padding-bottom: 60px;
}
.industry-item {
    background: rgba(255,255,255,0.9);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 16px rgba(0,0,0,0.04);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid rgba(0,0,0,0.03);
    backdrop-filter: blur(10px);
    opacity: 1;
    transform: translateX(0);
}
.industry-item.visible {
    opacity: 1;
    transform: translateX(0);
}
.industry-item:hover {
    transform: translateX(10px) scale(1.02);
    box-shadow: 0 8px 28px rgba(0,0,0,0.1);
    border-left: 4px solid var(--brand);
}
.industry-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--light), #e8f4f8);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    transition: transform 0.3s;
}
.industry-item:hover .industry-icon {
    transform: scale(1.15) rotate(-5deg);
}

/* ============ ABOUT LOGO ============ */
.about-logo {
    text-align: center;
    margin: 3rem auto 2rem;
    max-width: 600px;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.about-logo.visible {
    opacity: 1;
    transform: translateY(0);
}
.about-logo img {
    width: 30%;
    max-width: 520px;
    height: 60%;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.04);
}
.industry-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
}

/* ============ SERVICES TABS ============ */
.services-tabs {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}
.tab-btn {
    padding: 0.75rem 1.6rem;
    border-radius: 50px;
    border: none;
    background: #e5e7eb;
    color: var(--muted);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}
.tab-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    opacity: 0;
    transition: opacity 0.4s;
    border-radius: 50px;
}
.tab-btn.active {
    color: #fff;
    box-shadow: 0 4px 20px rgba(13,115,119,0.35);
    transform: scale(1.05);
}
.tab-btn.active::before { opacity: 1; }
.tab-btn span { position: relative; z-index: 1; }
.tab-btn:hover:not(.active) {
    background: #d1d5db;
    transform: translateY(-2px);
}

.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}
.tab-content.active {
    display: block;
    animation: tabFadeIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes tabFadeIn {
    to { opacity: 1; transform: translateY(0); }
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.service-card {
    background: rgba(255,255,255,0.95);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.03);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0) scale(1);
}
.service-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card h4 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.service-card p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
}
.service-card .tag {
    display: inline-block;
    margin-top: 1rem;
    background: linear-gradient(135deg, var(--light), #e8f4f8);
    color: var(--brand);
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s;
}
.service-card:hover .tag {
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    color: #fff;
}

/* Sub-section titles inside tabs */
.tab-section-title {
    grid-column: 1 / -1;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--brand);
    margin: 1rem 0 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(13,115,119,0.15);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tab-section-title:first-child {
    margin-top: 0;
}

/* ============ CTA ============ */
.cta {
    background: linear-gradient(135deg, var(--dark) 0%, #0f2d3a 50%, var(--brand) 100%);
    background-size: 200% 200%;
    animation: gradientMove 15s ease infinite;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}
.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M40 30v-2h-2v2h-2v2h2v2h2v-2h2v-2h-2zm0-20V8h-2v2h-2v2h2v2h2v-2h2V8h-2zM10 30v-2H8v2H6v2h2v2h2v-2h2v-2h-2zM10 8V6H8v2H6v2h2v2h2V6h2V4h-2z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    position: relative;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.cta h2.visible {
    opacity: 1;
    transform: translateY(0);
}
.cta p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto 2.5rem;
    position: relative;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}
.cta p.visible {
    opacity: 1;
    transform: translateY(0);
}
.cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--brand-light), #2ecc71);
    color: #fff;
    padding: 1.1rem 2.8rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 24px rgba(20,160,133,0.4);
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
}
.cta-btn.visible {
    opacity: 1;
    transform: translateY(0);
}
.cta-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}
.cta-btn:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 12px 40px rgba(20,160,133,0.5);
}
.cta-btn:hover::before { left: 100%; }

/* ============ WORKERS ============ */
.workers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}
.worker-card {
    background: rgba(255,255,255,0.95);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.03);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}
.worker-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand), var(--brand-light), var(--accent));
    background-size: 200% 100%;
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    animation: gradientShift 3s ease infinite;
}
.worker-card:hover::before { transform: scaleX(1); }
.worker-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}
.worker-svg-pro {
    width: 100%;
    height: 100%;
    overflow: visible;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.06));
}
.worker-scene {
    width: 180px;
    height: 195px;
    margin: 0 auto 1.2rem;
    position: relative;
}
.worker-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.3rem;
}
.worker-card p {
    font-size: 0.85rem;
    color: var(--muted);
}

/* ============ WORKER PROFESSIONAL ANIMATIONS ============ */

/* Circular gradient animated background */
.worker-bg {
    transform-origin: center;
    animation: bgPulse 4s ease-in-out infinite;
}
@keyframes bgPulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.06); opacity: 1; }
}

/* Soft breathing torso */
.torso-breathe {
    transform-origin: 110px 130px;
    animation: breathe 3.5s ease-in-out infinite;
}
@keyframes breathe {
    0%, 100% { transform: scaleY(1) scaleX(1); }
    50% { transform: scaleY(1.015) scaleX(1.008); }
}

/* Occasional blinking eyes */
.eyes {
    animation: blink 4.5s ease-in-out infinite;
}
@keyframes blink {
    0%, 44%, 50%, 100% { transform: scaleY(1); }
    46%, 48% { transform: scaleY(0.1); }
}

/* Worker 1 — Electrician arm + sparks */
.arm-work {
    transform-origin: 145px 100px;
    animation: workTool 2.5s ease-in-out infinite;
}
@keyframes workTool {
    0%, 100% { transform: rotate(0deg) translate(0,0); }
    30% { transform: rotate(6deg) translate(1px,-1px); }
    60% { transform: rotate(-3deg) translate(-1px,0); }
}
.sparks-pro circle {
    animation: sparkPro 1.2s ease-out infinite;
    opacity: 0;
}
.sparks-pro circle:nth-child(1) { animation-delay: 0.0s; }
.sparks-pro circle:nth-child(2) { animation-delay: 0.25s; }
.sparks-pro circle:nth-child(3) { animation-delay: 0.5s; }
.sparks-pro circle:nth-child(4) { animation-delay: 0.15s; }
.sparks-pro circle:nth-child(5) { animation-delay: 0.35s; }
@keyframes sparkPro {
    0% { opacity: 0; transform: scale(0) translate(0,0); }
    20% { opacity: 1; transform: scale(1.2) translate(2px,-4px); }
    60% { opacity: 0.6; transform: scale(0.8) translate(5px,-8px); }
    100% { opacity: 0; transform: scale(0) translate(8px,-12px); }
}

/* Worker 2 — Laptop code typing */
.arm-laptop-pro {
    transform-origin: 145px 100px;
    animation: typeWork 2.8s ease-in-out infinite;
}
@keyframes typeWork {
    0%, 100% { transform: rotate(0deg); }
    40% { transform: rotate(3deg); }
    70% { transform: rotate(-2deg); }
}
.code-line-pro {
    animation: codeType 1.8s ease-in-out infinite;
    transform-origin: left center;
}
@keyframes codeType {
    0%, 100% { opacity: 0.2; transform: scaleX(0.3); }
    50% { opacity: 0.9; transform: scaleX(1); }
}

/* Worker 3 — Blueprint arm sway */
.arm-blueprint-pro {
    transform-origin: 145px 100px;
    animation: blueprintSway 4s ease-in-out infinite;
}
@keyframes blueprintSway {
    0%, 100% { transform: rotate(0deg) translateX(0); }
    50% { transform: rotate(-4deg) translateX(2px); }
}

/* Worker 4 — Multimeter needle */
.arm-meter-pro {
    transform-origin: 145px 100px;
    animation: meterHold 3s ease-in-out infinite;
}
@keyframes meterHold {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(3deg); }
}
.meter-needle-pro {
    transform-origin: 14px 28px;
    animation: needleOsc 2s ease-in-out infinite;
}
@keyframes needleOsc {
    0%, 100% { transform: rotate(-10deg); }
    50% { transform: rotate(14deg); }
}
.meter-readout {
    animation: readoutChange 3s ease-in-out infinite;
}
@keyframes readoutChange {
    0%, 100% { opacity: 1; }
    25% { opacity: 0.6; }
    50% { opacity: 1; }
    75% { opacity: 0.7; }
}

/* Worker 5 — Checkmark celebration */
.arm-check-pro {
    transform-origin: 145px 100px;
    animation: checkRaise 2.5s ease-in-out infinite;
}
@keyframes checkRaise {
    0%, 100% { transform: rotate(0deg) translateY(0); }
    40% { transform: rotate(-6deg) translateY(-2px); }
    70% { transform: rotate(2deg) translateY(0); }
}
.check-bubble {
    animation: bubblePop 2.5s ease-in-out infinite;
    transform-origin: center;
}
@keyframes bubblePop {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    40% { transform: scale(1.15); opacity: 1; }
}
.check-mark {
    stroke-dasharray: 20;
    stroke-dashoffset: 20;
    animation: drawCheck 2.5s ease-in-out infinite;
}
@keyframes drawCheck {
    0%, 20% { stroke-dashoffset: 20; }
    50%, 80% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: 20; }
}
.check-particle {
    animation: particleFloat 2.5s ease-in-out infinite;
}
@keyframes particleFloat {
    0%, 100% { transform: translate(0,0) scale(1); opacity: 0.4; }
    50% { transform: translate(2px,-6px) scale(1.3); opacity: 0.7; }
}

/* Worker 6 — Radio waves */
.arm-radio-pro {
    transform-origin: 145px 100px;
    animation: radioTalk 2s ease-in-out infinite;
}
@keyframes radioTalk {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(4deg); }
}
.radio-screen-pro {
    animation: radioBlink 1.2s ease-in-out infinite;
}
@keyframes radioBlink {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.5; }
}
.radio-wave-pro {
    animation: waveExpand 1.8s ease-out infinite;
    opacity: 0;
}
@keyframes waveExpand {
    0% { opacity: 0.7; transform: scale(0.3); }
    60% { opacity: 0.3; }
    100% { opacity: 0; transform: scale(1.2); }
}

/* ============ FOOTER ============ */
footer {
    background: #070f1a;
    color: rgba(255,255,255,0.45);
    text-align: center;
    padding: 1px 0;
    font-size: 0.85rem;
}
footer strong { color: var(--brand-light); }



/* ============ KEYFRAMES ============ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-12px); }
    60% { transform: translateX(-50%) translateY(-6px); }
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
@keyframes gradientShift {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}
@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes rotateBorder {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.05); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.15); }
}