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

body, html {
    width: 100%;
    height: 100%;
    font-family: 'Inter', sans-serif;
}

body {
    overflow-x: hidden;
}

/* ── Keyframe animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUpHeader {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUpHeaderMobile {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes marqueeScroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes m3dDown {
    from { transform: translateY(0px); }
    to   { transform: translateY(100px); }
}

@keyframes m3dUp {
    from { transform: translateY(0px); }
    to   { transform: translateY(-100px); }
}

/* ── Scroll fade-up utility ── */
.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

.scroll-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-fade:nth-child(2) { transition-delay: 0.15s; }

/* Ecosystem staggered fade-up */
.ecosystem-heading.scroll-fade                        { transition-delay: 0s; }
.ecosystem-cards .eco-card:nth-child(1).scroll-fade   { transition-delay: 0.18s; }
.ecosystem-cards .eco-card:nth-child(2).scroll-fade   { transition-delay: 0.36s; }
.ecosystem-cards .eco-card:nth-child(3).scroll-fade   { transition-delay: 0.54s; }

/* ── Green dot ── */
.green-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 6px #22c55e;
    flex-shrink: 0;
}

/* ── Chip ── */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 7px 18px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.28);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 999px;
    font-size: 20px;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 0.3px;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards;
    animation-delay: 0.35s;
}